<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2026 Workiva-->
<!--r:fd4053ce-6b76-4f48-b26b-2bd2ad49ae45,g:5d97be4b-4063-4ef5-8b6b-2e58badd58b0-->
<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:roleRef roleURI="http://www.spscommerce.com/role/CONSOLIDATEDBALANCESHEETS" xlink:type="simple" xlink:href="spsc-20251231.xsd#CONSOLIDATEDBALANCESHEETS"/>
  <link:calculationLink xlink:role="http://www.spscommerce.com/role/CONSOLIDATEDBALANCESHEETS" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_e760aeff-8a30-4f4c-bbcf-cb1ffd4405f2" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LiabilitiesAndStockholdersEquity"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Liabilities_09f3021f-2b38-44ba-a7c3-34a110d48399" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_Liabilities"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_e760aeff-8a30-4f4c-bbcf-cb1ffd4405f2" xlink:to="loc_us-gaap_Liabilities_09f3021f-2b38-44ba-a7c3-34a110d48399" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommitmentsAndContingencies_3e82384b-3651-43b8-aa16-9e29238ba39e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommitmentsAndContingencies"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_e760aeff-8a30-4f4c-bbcf-cb1ffd4405f2" xlink:to="loc_us-gaap_CommitmentsAndContingencies_3e82384b-3651-43b8-aa16-9e29238ba39e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_7a4bc4e1-2831-4d0b-bb4d-924e7b85e064" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StockholdersEquity"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_e760aeff-8a30-4f4c-bbcf-cb1ffd4405f2" xlink:to="loc_us-gaap_StockholdersEquity_7a4bc4e1-2831-4d0b-bb4d-924e7b85e064" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Assets_2413b6fc-5c5e-438f-8ced-e103b5a53e39" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_Assets"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrent_09718b0b-811c-40fe-abb8-ee9b51078d0d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AssetsCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_2413b6fc-5c5e-438f-8ced-e103b5a53e39" xlink:to="loc_us-gaap_AssetsCurrent_09718b0b-811c-40fe-abb8-ee9b51078d0d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_12d7d79e-f6e0-4348-b81d-4a3f3ab619cc" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PropertyPlantAndEquipmentNet"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_2413b6fc-5c5e-438f-8ced-e103b5a53e39" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_12d7d79e-f6e0-4348-b81d-4a3f3ab619cc" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseRightOfUseAsset_ef0f661f-0403-479c-89f9-810c0e47bb98" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingLeaseRightOfUseAsset"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_2413b6fc-5c5e-438f-8ced-e103b5a53e39" xlink:to="loc_us-gaap_OperatingLeaseRightOfUseAsset_ef0f661f-0403-479c-89f9-810c0e47bb98" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Goodwill_fc15213c-a2f7-43f4-8d61-8e6efe94858b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_Goodwill"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_2413b6fc-5c5e-438f-8ced-e103b5a53e39" xlink:to="loc_us-gaap_Goodwill_fc15213c-a2f7-43f4-8d61-8e6efe94858b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet_e265577e-1d59-488c-8479-eb89b6c92a70" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FiniteLivedIntangibleAssetsNet"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_2413b6fc-5c5e-438f-8ced-e103b5a53e39" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsNet_e265577e-1d59-488c-8479-eb89b6c92a70" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredCosts_0420463c-c0fc-4d5f-953e-52798fd6f50f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredCosts"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_2413b6fc-5c5e-438f-8ced-e103b5a53e39" xlink:to="loc_us-gaap_DeferredCosts_0420463c-c0fc-4d5f-953e-52798fd6f50f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxAssetsNet_6c3a4926-c02f-476a-8832-b8338820daac" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredIncomeTaxAssetsNet"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_2413b6fc-5c5e-438f-8ced-e103b5a53e39" xlink:to="loc_us-gaap_DeferredIncomeTaxAssetsNet_6c3a4926-c02f-476a-8832-b8338820daac" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsNoncurrent_d59dfc8f-7674-4cb6-8319-d808044220d9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherAssetsNoncurrent"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_2413b6fc-5c5e-438f-8ced-e103b5a53e39" xlink:to="loc_us-gaap_OtherAssetsNoncurrent_d59dfc8f-7674-4cb6-8319-d808044220d9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrent_452c9b28-5a1b-48ac-a3c2-0106cbd17bbe" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AssetsCurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_74c8271f-7924-462e-9126-b74fc705b98a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_452c9b28-5a1b-48ac-a3c2-0106cbd17bbe" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_74c8271f-7924-462e-9126-b74fc705b98a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableNetCurrent_aedd4f79-4d62-4462-902e-37bc1d468a5d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccountsReceivableNetCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_452c9b28-5a1b-48ac-a3c2-0106cbd17bbe" xlink:to="loc_us-gaap_AccountsReceivableNetCurrent_aedd4f79-4d62-4462-902e-37bc1d468a5d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredCostsCurrent_5407f75a-1463-4c60-bf12-f0588ef48250" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredCostsCurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_452c9b28-5a1b-48ac-a3c2-0106cbd17bbe" xlink:to="loc_us-gaap_DeferredCostsCurrent_5407f75a-1463-4c60-bf12-f0588ef48250" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsCurrent_5f603045-995b-42d7-ab2e-58058d536692" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherAssetsCurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_452c9b28-5a1b-48ac-a3c2-0106cbd17bbe" xlink:to="loc_us-gaap_OtherAssetsCurrent_5f603045-995b-42d7-ab2e-58058d536692" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableNetCurrent_e74806f6-225b-4b83-a217-d3e3da57086d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccountsReceivableNetCurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableGrossCurrent_9f95a239-6c55-4ee2-84db-57dc9d058771" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccountsReceivableGrossCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccountsReceivableNetCurrent_e74806f6-225b-4b83-a217-d3e3da57086d" xlink:to="loc_us-gaap_AccountsReceivableGrossCurrent_9f95a239-6c55-4ee2-84db-57dc9d058771" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_ad375b0d-c9b1-4b38-a77e-899dff73ab2e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccountsReceivableNetCurrent_e74806f6-225b-4b83-a217-d3e3da57086d" xlink:to="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_ad375b0d-c9b1-4b38-a77e-899dff73ab2e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrent_0a97edad-855e-45ab-b2c9-678b8886490b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LiabilitiesCurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsPayableCurrent_4a380e61-b442-4edf-9ab7-b63a93ccb82a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccountsPayableCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_0a97edad-855e-45ab-b2c9-678b8886490b" xlink:to="loc_us-gaap_AccountsPayableCurrent_4a380e61-b442-4edf-9ab7-b63a93ccb82a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeRelatedLiabilitiesCurrent_f04b3541-bcce-41c3-8951-258b92de9ad8" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EmployeeRelatedLiabilitiesCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_0a97edad-855e-45ab-b2c9-678b8886490b" xlink:to="loc_us-gaap_EmployeeRelatedLiabilitiesCurrent_f04b3541-bcce-41c3-8951-258b92de9ad8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedLiabilitiesCurrent_1fc43cc8-1137-40ba-9aae-89a79cbcbe2a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccruedLiabilitiesCurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_0a97edad-855e-45ab-b2c9-678b8886490b" xlink:to="loc_us-gaap_AccruedLiabilitiesCurrent_1fc43cc8-1137-40ba-9aae-89a79cbcbe2a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerLiabilityCurrent_ba6555bc-88e6-4ec6-9bf9-4269535fcead" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ContractWithCustomerLiabilityCurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_0a97edad-855e-45ab-b2c9-678b8886490b" xlink:to="loc_us-gaap_ContractWithCustomerLiabilityCurrent_ba6555bc-88e6-4ec6-9bf9-4269535fcead" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityCurrent_cd382a23-33d7-46e2-90f8-0e04f54c4134" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingLeaseLiabilityCurrent"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_0a97edad-855e-45ab-b2c9-678b8886490b" xlink:to="loc_us-gaap_OperatingLeaseLiabilityCurrent_cd382a23-33d7-46e2-90f8-0e04f54c4134" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_8e01b597-5d69-4a88-a7ec-64812d3080d6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StockholdersEquity"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockValue_f35c5feb-0dc1-43a9-8fba-079c825fce7f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PreferredStockValue"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_8e01b597-5d69-4a88-a7ec-64812d3080d6" xlink:to="loc_us-gaap_PreferredStockValue_f35c5feb-0dc1-43a9-8fba-079c825fce7f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockValue_46133fa0-75b7-4da5-a0d6-e397d516ef37" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommonStockValue"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_8e01b597-5d69-4a88-a7ec-64812d3080d6" xlink:to="loc_us-gaap_CommonStockValue_46133fa0-75b7-4da5-a0d6-e397d516ef37" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockCommonValue_9fed3720-054d-4fd0-add5-34cfaaa74660" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_TreasuryStockCommonValue"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_8e01b597-5d69-4a88-a7ec-64812d3080d6" xlink:to="loc_us-gaap_TreasuryStockCommonValue_9fed3720-054d-4fd0-add5-34cfaaa74660" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalPaidInCapitalCommonStock_abc12dde-e4f3-4a6c-97f4-f09fbcc50b91" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AdditionalPaidInCapitalCommonStock"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_8e01b597-5d69-4a88-a7ec-64812d3080d6" xlink:to="loc_us-gaap_AdditionalPaidInCapitalCommonStock_abc12dde-e4f3-4a6c-97f4-f09fbcc50b91" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_64afae40-76b0-4f08-a727-e45a6b9f394f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RetainedEarningsAccumulatedDeficit"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_8e01b597-5d69-4a88-a7ec-64812d3080d6" xlink:to="loc_us-gaap_RetainedEarningsAccumulatedDeficit_64afae40-76b0-4f08-a727-e45a6b9f394f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_33f02573-15a8-44a3-9618-0a0438f8da36" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_8e01b597-5d69-4a88-a7ec-64812d3080d6" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_33f02573-15a8-44a3-9618-0a0438f8da36" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Liabilities_440ce721-acbc-4011-a13a-a14c45e34b20" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_Liabilities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrent_7eeabfb3-d0ee-4c00-8c7a-1ec057453176" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LiabilitiesCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_440ce721-acbc-4011-a13a-a14c45e34b20" xlink:to="loc_us-gaap_LiabilitiesCurrent_7eeabfb3-d0ee-4c00-8c7a-1ec057453176" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerLiabilityNoncurrent_566da144-7dda-47e8-a8f9-0ed4b9fde42b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ContractWithCustomerLiabilityNoncurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_440ce721-acbc-4011-a13a-a14c45e34b20" xlink:to="loc_us-gaap_ContractWithCustomerLiabilityNoncurrent_566da144-7dda-47e8-a8f9-0ed4b9fde42b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_13873ca5-b9cb-4cfe-a731-24853e280e0a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingLeaseLiabilityNoncurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_440ce721-acbc-4011-a13a-a14c45e34b20" xlink:to="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_13873ca5-b9cb-4cfe-a731-24853e280e0a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxLiabilitiesNet_0b19600e-1f7b-41e7-8887-f40379efec31" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredIncomeTaxLiabilitiesNet"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_440ce721-acbc-4011-a13a-a14c45e34b20" xlink:to="loc_us-gaap_DeferredIncomeTaxLiabilitiesNet_0b19600e-1f7b-41e7-8887-f40379efec31" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilitiesNoncurrent_e23de3c8-ddf3-4873-8c93-e1131c1d476f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherLiabilitiesNoncurrent"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_440ce721-acbc-4011-a13a-a14c45e34b20" xlink:to="loc_us-gaap_OtherLiabilitiesNoncurrent_e23de3c8-ddf3-4873-8c93-e1131c1d476f" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.spscommerce.com/role/CONSOLIDATEDSTATEMENTSOFCOMPREHENSIVEINCOME" xlink:type="simple" xlink:href="spsc-20251231.xsd#CONSOLIDATEDSTATEMENTSOFCOMPREHENSIVEINCOME"/>
  <link:calculationLink xlink:role="http://www.spscommerce.com/role/CONSOLIDATEDSTATEMENTSOFCOMPREHENSIVEINCOME" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_9ac87873-c278-4840-bb76-132b1f9cfcd1" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax_84ce0c11-aa58-4f05-a033-56308b7b4445" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_9ac87873-c278-4840-bb76-132b1f9cfcd1" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax_84ce0c11-aa58-4f05-a033-56308b7b4445" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax_21737cd0-7521-4bf0-9f7e-52e81dfe9d18" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_9ac87873-c278-4840-bb76-132b1f9cfcd1" xlink:to="loc_us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax_21737cd0-7521-4bf0-9f7e-52e81dfe9d18" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax_fe0e4e58-eac5-4190-98af-18c043556bb6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_9ac87873-c278-4840-bb76-132b1f9cfcd1" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax_fe0e4e58-eac5-4190-98af-18c043556bb6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_f07956a3-75f2-4d98-b2a9-8d4ac6be0865" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GrossProfit_953236cf-a51b-4d64-9f6a-7bf2b070d938" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_GrossProfit"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_f07956a3-75f2-4d98-b2a9-8d4ac6be0865" xlink:to="loc_us-gaap_GrossProfit_953236cf-a51b-4d64-9f6a-7bf2b070d938" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingExpenses_a1a1186b-0a83-4107-9c83-3c9c9d619a63" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingExpenses"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_f07956a3-75f2-4d98-b2a9-8d4ac6be0865" xlink:to="loc_us-gaap_OperatingExpenses_a1a1186b-0a83-4107-9c83-3c9c9d619a63" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GrossProfit_ea9a7c46-dfbb-4ed9-a246-770fd9c25a34" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_GrossProfit"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_88997706-dcea-4ec3-be4d-af88492c17e1" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_GrossProfit_ea9a7c46-dfbb-4ed9-a246-770fd9c25a34" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_88997706-dcea-4ec3-be4d-af88492c17e1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfRevenue_7338f569-ed4e-4c47-9c3e-8f418749a264" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CostOfRevenue"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_GrossProfit_ea9a7c46-dfbb-4ed9-a246-770fd9c25a34" xlink:to="loc_us-gaap_CostOfRevenue_7338f569-ed4e-4c47-9c3e-8f418749a264" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingExpenses_b8037fe1-3403-4abf-aacd-4e00efde31e8" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingExpenses"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SellingAndMarketingExpense_01c81cd2-2f31-4ee7-9c59-88d04e2168f9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SellingAndMarketingExpense"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingExpenses_b8037fe1-3403-4abf-aacd-4e00efde31e8" xlink:to="loc_us-gaap_SellingAndMarketingExpense_01c81cd2-2f31-4ee7-9c59-88d04e2168f9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ResearchAndDevelopmentExpense_80aba0e6-bff9-492d-b732-b3366425cbd1" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ResearchAndDevelopmentExpense"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingExpenses_b8037fe1-3403-4abf-aacd-4e00efde31e8" xlink:to="loc_us-gaap_ResearchAndDevelopmentExpense_80aba0e6-bff9-492d-b732-b3366425cbd1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GeneralAndAdministrativeExpense_05589f21-b6d3-4ceb-93f2-800c4e097027" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_GeneralAndAdministrativeExpense"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingExpenses_b8037fe1-3403-4abf-aacd-4e00efde31e8" xlink:to="loc_us-gaap_GeneralAndAdministrativeExpense_05589f21-b6d3-4ceb-93f2-800c4e097027" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AmortizationOfIntangibleAssets_e7163b91-7a08-403b-9b5b-50eb8dbced1f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AmortizationOfIntangibleAssets"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingExpenses_b8037fe1-3403-4abf-aacd-4e00efde31e8" xlink:to="loc_us-gaap_AmortizationOfIntangibleAssets_e7163b91-7a08-403b-9b5b-50eb8dbced1f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_8fa4da2b-6a90-4db0-9bf9-3cba52113fe6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_9e417dde-6563-4f1f-94df-ee9dcf857990" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_8fa4da2b-6a90-4db0-9bf9-3cba52113fe6" xlink:to="loc_us-gaap_OperatingIncomeLoss_9e417dde-6563-4f1f-94df-ee9dcf857990" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NonoperatingIncomeExpense_7a0b14af-a7b6-4156-8745-f710b235c2f7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NonoperatingIncomeExpense"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_8fa4da2b-6a90-4db0-9bf9-3cba52113fe6" xlink:to="loc_us-gaap_NonoperatingIncomeExpense_7a0b14af-a7b6-4156-8745-f710b235c2f7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_a905149a-aa7b-41da-a2c5-89b3ba483c05" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetIncomeLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_54436b2f-2b0f-4867-8e8d-30eff4bb2326" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_a905149a-aa7b-41da-a2c5-89b3ba483c05" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_54436b2f-2b0f-4867-8e8d-30eff4bb2326" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_73434b37-0202-4102-8d3a-1183c349f9f6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_a905149a-aa7b-41da-a2c5-89b3ba483c05" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_73434b37-0202-4102-8d3a-1183c349f9f6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTax_341416b0-dec5-4fed-a897-7ca9337fd852" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ComprehensiveIncomeNetOfTax"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_1fb1aff2-2da4-40c0-a01a-651ab0a04ff4" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetIncomeLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_341416b0-dec5-4fed-a897-7ca9337fd852" xlink:to="loc_us-gaap_NetIncomeLoss_1fb1aff2-2da4-40c0-a01a-651ab0a04ff4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_2a5ba712-4bb7-43f4-b069-d7e16127562a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_341416b0-dec5-4fed-a897-7ca9337fd852" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_2a5ba712-4bb7-43f4-b069-d7e16127562a" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.spscommerce.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" xlink:type="simple" xlink:href="spsc-20251231.xsd#CONSOLIDATEDSTATEMENTSOFCASHFLOWS"/>
  <link:calculationLink xlink:role="http://www.spscommerce.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_5ae72532-c9b0-4f68-a188-3304f39a3552" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireOtherInvestments_7823acf7-afbf-4a11-bdf2-05989c907754" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PaymentsToAcquireOtherInvestments"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_5ae72532-c9b0-4f68-a188-3304f39a3552" xlink:to="loc_us-gaap_PaymentsToAcquireOtherInvestments_7823acf7-afbf-4a11-bdf2-05989c907754" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_70d28e31-f2bb-4303-bfe2-e1b7bb4863b9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_5ae72532-c9b0-4f68-a188-3304f39a3552" xlink:to="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_70d28e31-f2bb-4303-bfe2-e1b7bb4863b9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities_7e908433-d80b-4f4e-9496-8bed423d1ff6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_5ae72532-c9b0-4f68-a188-3304f39a3552" xlink:to="loc_us-gaap_ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities_7e908433-d80b-4f4e-9496-8bed423d1ff6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_90e65720-9087-4b32-9b10-28e6514365cb" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_5ae72532-c9b0-4f68-a188-3304f39a3552" xlink:to="loc_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_90e65720-9087-4b32-9b10-28e6514365cb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_3c20fee8-bd59-4daa-acf6-f02a9688f6a9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_da9a8948-c067-4595-b414-9cd1c301737e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PaymentsForRepurchaseOfCommonStock"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_3c20fee8-bd59-4daa-acf6-f02a9688f6a9" xlink:to="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_da9a8948-c067-4595-b414-9cd1c301737e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromStockOptionsExercised_f242185b-f316-48e5-bb4e-fc3208f1fa46" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProceedsFromStockOptionsExercised"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_3c20fee8-bd59-4daa-acf6-f02a9688f6a9" xlink:to="loc_us-gaap_ProceedsFromStockOptionsExercised_f242185b-f316-48e5-bb4e-fc3208f1fa46" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromStockPlans_5583c371-5006-4af4-8e3d-b49805eabb21" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProceedsFromStockPlans"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_3c20fee8-bd59-4daa-acf6-f02a9688f6a9" xlink:to="loc_us-gaap_ProceedsFromStockPlans_5583c371-5006-4af4-8e3d-b49805eabb21" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentForContingentConsiderationLiabilityFinancingActivities_90747a20-9ad7-4d77-92d2-e858e0a20e0c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PaymentForContingentConsiderationLiabilityFinancingActivities"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_3c20fee8-bd59-4daa-acf6-f02a9688f6a9" xlink:to="loc_us-gaap_PaymentForContingentConsiderationLiabilityFinancingActivities_90747a20-9ad7-4d77-92d2-e858e0a20e0c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_a5d74db9-83a7-4609-ac70-26744d4d285e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_71cc98e9-3d65-468b-8522-1a43ec93217d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetIncomeLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_a5d74db9-83a7-4609-ac70-26744d4d285e" xlink:to="loc_us-gaap_NetIncomeLoss_71cc98e9-3d65-468b-8522-1a43ec93217d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_2641110e-5bc6-45da-9427-304d7295899d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_a5d74db9-83a7-4609-ac70-26744d4d285e" xlink:to="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_2641110e-5bc6-45da-9427-304d7295899d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationDepletionAndAmortization_1e437677-b5d7-4c66-85a4-0f42e86c3e43" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DepreciationDepletionAndAmortization"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_a5d74db9-83a7-4609-ac70-26744d4d285e" xlink:to="loc_us-gaap_DepreciationDepletionAndAmortization_1e437677-b5d7-4c66-85a4-0f42e86c3e43" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AmortizationOfIntangibleAssets_e5f739a8-334b-458b-841f-bd07397934fd" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AmortizationOfIntangibleAssets"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_a5d74db9-83a7-4609-ac70-26744d4d285e" xlink:to="loc_us-gaap_AmortizationOfIntangibleAssets_e5f739a8-334b-458b-841f-bd07397934fd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProvisionForDoubtfulAccounts_f8e0642d-eca7-415e-8baf-8e1d1bdecfa8" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProvisionForDoubtfulAccounts"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_a5d74db9-83a7-4609-ac70-26744d4d285e" xlink:to="loc_us-gaap_ProvisionForDoubtfulAccounts_f8e0642d-eca7-415e-8baf-8e1d1bdecfa8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensation_bfab08b4-5451-4241-8aaf-ebf7658bb0d1" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ShareBasedCompensation"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_a5d74db9-83a7-4609-ac70-26744d4d285e" xlink:to="loc_us-gaap_ShareBasedCompensation_bfab08b4-5451-4241-8aaf-ebf7658bb0d1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNoncashIncomeExpense_51992c30-b25f-4f2a-b25b-400264fa7a42" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherNoncashIncomeExpense"/>
    <link:calculationArc order="7" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_a5d74db9-83a7-4609-ac70-26744d4d285e" xlink:to="loc_us-gaap_OtherNoncashIncomeExpense_51992c30-b25f-4f2a-b25b-400264fa7a42" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_44b868a4-7cf5-40fe-b3c8-e28250ba888b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncreaseDecreaseInAccountsReceivable"/>
    <link:calculationArc order="8" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_a5d74db9-83a7-4609-ac70-26744d4d285e" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_44b868a4-7cf5-40fe-b3c8-e28250ba888b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInDeferredCharges_d143f3d7-3059-4db4-8847-43953eacd153" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncreaseDecreaseInDeferredCharges"/>
    <link:calculationArc order="9" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_a5d74db9-83a7-4609-ac70-26744d4d285e" xlink:to="loc_us-gaap_IncreaseDecreaseInDeferredCharges_d143f3d7-3059-4db4-8847-43953eacd153" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet_8f141e84-7824-46c2-96bc-49d043412f8c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet"/>
    <link:calculationArc order="10" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_a5d74db9-83a7-4609-ac70-26744d4d285e" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet_8f141e84-7824-46c2-96bc-49d043412f8c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsPayable_903822cf-0f4c-4034-a8a6-02b45cbe7b5c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncreaseDecreaseInAccountsPayable"/>
    <link:calculationArc order="11" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_a5d74db9-83a7-4609-ac70-26744d4d285e" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsPayable_903822cf-0f4c-4034-a8a6-02b45cbe7b5c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInEmployeeRelatedLiabilities_4830b17b-60a9-4056-8a25-8a4924a4f41d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncreaseDecreaseInEmployeeRelatedLiabilities"/>
    <link:calculationArc order="12" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_a5d74db9-83a7-4609-ac70-26744d4d285e" xlink:to="loc_us-gaap_IncreaseDecreaseInEmployeeRelatedLiabilities_4830b17b-60a9-4056-8a25-8a4924a4f41d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccruedLiabilities_67e3ad41-0ba3-44a0-a304-419aa71c1db3" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncreaseDecreaseInAccruedLiabilities"/>
    <link:calculationArc order="13" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_a5d74db9-83a7-4609-ac70-26744d4d285e" xlink:to="loc_us-gaap_IncreaseDecreaseInAccruedLiabilities_67e3ad41-0ba3-44a0-a304-419aa71c1db3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInContractWithCustomerLiability_96e54ede-e947-4054-b1c2-f283b2c2a449" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncreaseDecreaseInContractWithCustomerLiability"/>
    <link:calculationArc order="14" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_a5d74db9-83a7-4609-ac70-26744d4d285e" xlink:to="loc_us-gaap_IncreaseDecreaseInContractWithCustomerLiability_96e54ede-e947-4054-b1c2-f283b2c2a449" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_spsc_IncreaseDecreaseInOperatingLeases_090030bb-6d27-4703-85da-bc3d3e7439e2" xlink:href="spsc-20251231.xsd#spsc_IncreaseDecreaseInOperatingLeases"/>
    <link:calculationArc order="15" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_a5d74db9-83a7-4609-ac70-26744d4d285e" xlink:to="loc_spsc_IncreaseDecreaseInOperatingLeases_090030bb-6d27-4703-85da-bc3d3e7439e2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_583b389c-c6ad-4163-95fa-d7a489694da6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_b703a48d-b526-49ee-a428-4dad8956e703" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_583b389c-c6ad-4163-95fa-d7a489694da6" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_b703a48d-b526-49ee-a428-4dad8956e703" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_bb8fdae9-95ff-404f-b470-65586b232af2" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_583b389c-c6ad-4163-95fa-d7a489694da6" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_bb8fdae9-95ff-404f-b470-65586b232af2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_16b8882b-3631-46f6-a33a-9f4b8f1f29ce" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_583b389c-c6ad-4163-95fa-d7a489694da6" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_16b8882b-3631-46f6-a33a-9f4b8f1f29ce" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations_fbb58c92-c768-4e20-a67a-5d2bb4c843b6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_583b389c-c6ad-4163-95fa-d7a489694da6" xlink:to="loc_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations_fbb58c92-c768-4e20-a67a-5d2bb4c843b6" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.spscommerce.com/role/BusinessAcquisitionsSummaryofEstimatedFairValuesofAssetsAcquiredandLiabilitiesAssumedatAcquisitionDateDetails" xlink:type="simple" xlink:href="spsc-20251231.xsd#BusinessAcquisitionsSummaryofEstimatedFairValuesofAssetsAcquiredandLiabilitiesAssumedatAcquisitionDateDetails"/>
  <link:calculationLink xlink:role="http://www.spscommerce.com/role/BusinessAcquisitionsSummaryofEstimatedFairValuesofAssetsAcquiredandLiabilitiesAssumedatAcquisitionDateDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_72815ec7-fded-4188-89fa-fc491878d665" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents_514a12d6-f9c3-45a7-b1fe-cf4fceb640a3" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_72815ec7-fded-4188-89fa-fc491878d665" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents_514a12d6-f9c3-45a7-b1fe-cf4fceb640a3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables_d216e2eb-8345-4b6a-a53d-fa4be85abfa3" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_72815ec7-fded-4188-89fa-fc491878d665" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables_d216e2eb-8345-4b6a-a53d-fa4be85abfa3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_spsc_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherAssets_1fc0dc97-89f6-48e5-b7b8-a4577d58ce35" xlink:href="spsc-20251231.xsd#spsc_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherAssets"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_72815ec7-fded-4188-89fa-fc491878d665" xlink:to="loc_spsc_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherAssets_1fc0dc97-89f6-48e5-b7b8-a4577d58ce35" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill_b37b698b-a27a-4902-a97c-6dc4c4ce3301" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_72815ec7-fded-4188-89fa-fc491878d665" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill_b37b698b-a27a-4902-a97c-6dc4c4ce3301" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesDeferredRevenue_0de9331b-ed53-4e48-ac0d-8a82db151fb8" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesDeferredRevenue"/>
    <link:calculationArc order="5" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_72815ec7-fded-4188-89fa-fc491878d665" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesDeferredRevenue_0de9331b-ed53-4e48-ac0d-8a82db151fb8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_spsc_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilitiesOther_a56cb263-b51d-4a21-9608-d9c9070c741a" xlink:href="spsc-20251231.xsd#spsc_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilitiesOther"/>
    <link:calculationArc order="6" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_72815ec7-fded-4188-89fa-fc491878d665" xlink:to="loc_spsc_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilitiesOther_a56cb263-b51d-4a21-9608-d9c9070c741a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilities_febdfb6d-0b0a-4fa9-aa99-8c6a18a31f38" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilities"/>
    <link:calculationArc order="7" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_72815ec7-fded-4188-89fa-fc491878d665" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilities_febdfb6d-0b0a-4fa9-aa99-8c6a18a31f38" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationConsiderationTransferred1_529feb25-c3eb-475b-a58b-a9f3383fd9a0" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_BusinessCombinationConsiderationTransferred1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireBusinessesGross_76331656-f949-426a-a35c-baedd3967b18" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PaymentsToAcquireBusinessesGross"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationConsiderationTransferred1_529feb25-c3eb-475b-a58b-a9f3383fd9a0" xlink:to="loc_us-gaap_PaymentsToAcquireBusinessesGross_76331656-f949-426a-a35c-baedd3967b18" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable_7cc52139-7b02-4d6d-95ea-221f3a6891e0" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationConsiderationTransferred1_529feb25-c3eb-475b-a58b-a9f3383fd9a0" xlink:to="loc_us-gaap_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable_7cc52139-7b02-4d6d-95ea-221f3a6891e0" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.spscommerce.com/role/FairValueMeasurementsDetails" xlink:type="simple" xlink:href="spsc-20251231.xsd#FairValueMeasurementsDetails"/>
  <link:calculationLink xlink:role="http://www.spscommerce.com/role/FairValueMeasurementsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis_8ac3a85d-f363-4f00-914c-131bd207d79c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesAvailableForSaleAccumulatedGrossUnrealizedGainLossBeforeTax_f6a1288e-b96d-4c0f-90a5-bccc29b69bc7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtSecuritiesAvailableForSaleAccumulatedGrossUnrealizedGainLossBeforeTax"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis_8ac3a85d-f363-4f00-914c-131bd207d79c" xlink:to="loc_us-gaap_DebtSecuritiesAvailableForSaleAccumulatedGrossUnrealizedGainLossBeforeTax_f6a1288e-b96d-4c0f-90a5-bccc29b69bc7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtSecurities_f051a0ec-d759-4a35-aaaf-6e35f677d332" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AvailableForSaleSecuritiesDebtSecurities"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis_8ac3a85d-f363-4f00-914c-131bd207d79c" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtSecurities_f051a0ec-d759-4a35-aaaf-6e35f677d332" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.spscommerce.com/role/PropertyandEquipmentNetSummaryofPropertyandEquipmentNetDetails" xlink:type="simple" xlink:href="spsc-20251231.xsd#PropertyandEquipmentNetSummaryofPropertyandEquipmentNetDetails"/>
  <link:calculationLink xlink:role="http://www.spscommerce.com/role/PropertyandEquipmentNetSummaryofPropertyandEquipmentNetDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_4038d55e-d6e9-4e75-bdd0-33e181d430d2" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PropertyPlantAndEquipmentNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentGross_a61e29cb-7113-4504-8ae2-e5dce88e1b94" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PropertyPlantAndEquipmentGross"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentNet_4038d55e-d6e9-4e75-bdd0-33e181d430d2" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentGross_a61e29cb-7113-4504-8ae2-e5dce88e1b94" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_0039e626-8e82-4636-96f5-15c82c5b3815" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentNet_4038d55e-d6e9-4e75-bdd0-33e181d430d2" xlink:to="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_0039e626-8e82-4636-96f5-15c82c5b3815" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.spscommerce.com/role/GoodwillandIntangibleAssetsNetIntangibleAssetsDetails" xlink:type="simple" xlink:href="spsc-20251231.xsd#GoodwillandIntangibleAssetsNetIntangibleAssetsDetails"/>
  <link:calculationLink xlink:role="http://www.spscommerce.com/role/GoodwillandIntangibleAssetsNetIntangibleAssetsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet_95a32db4-e636-4af6-9324-f0e91b5eb6fc" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FiniteLivedIntangibleAssetsNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsGross_ffdbeefe-1b70-47c7-9815-229d29d1d5c6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FiniteLivedIntangibleAssetsGross"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_95a32db4-e636-4af6-9324-f0e91b5eb6fc" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsGross_ffdbeefe-1b70-47c7-9815-229d29d1d5c6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_4f9c25ae-638c-498f-a803-686be0577551" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_95a32db4-e636-4af6-9324-f0e91b5eb6fc" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_4f9c25ae-638c-498f-a803-686be0577551" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_spsc_FiniteLivedIntangibleAssetsAccumulatedForeignCurrencyTranslationGainLoss_5cfc6e9b-32c2-42bb-a247-cb2148b6ea95" xlink:href="spsc-20251231.xsd#spsc_FiniteLivedIntangibleAssetsAccumulatedForeignCurrencyTranslationGainLoss"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_95a32db4-e636-4af6-9324-f0e91b5eb6fc" xlink:to="loc_spsc_FiniteLivedIntangibleAssetsAccumulatedForeignCurrencyTranslationGainLoss_5cfc6e9b-32c2-42bb-a247-cb2148b6ea95" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.spscommerce.com/role/GoodwillandIntangibleAssetsNetEstimatedFutureAnnualAmortizationExpenseRelatedtoIntangibleAssetsDetails" xlink:type="simple" xlink:href="spsc-20251231.xsd#GoodwillandIntangibleAssetsNetEstimatedFutureAnnualAmortizationExpenseRelatedtoIntangibleAssetsDetails"/>
  <link:calculationLink xlink:role="http://www.spscommerce.com/role/GoodwillandIntangibleAssetsNetEstimatedFutureAnnualAmortizationExpenseRelatedtoIntangibleAssetsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet_9cebd075-ec60-4798-94de-0a975bc6b8a5" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FiniteLivedIntangibleAssetsNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_bb19a330-40fa-4353-a34c-e1c44570c4df" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_9cebd075-ec60-4798-94de-0a975bc6b8a5" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_bb19a330-40fa-4353-a34c-e1c44570c4df" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_8285a558-522e-47a8-a941-56b800ce9ea4" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_9cebd075-ec60-4798-94de-0a975bc6b8a5" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_8285a558-522e-47a8-a941-56b800ce9ea4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_23e64482-7afb-46dc-b265-95b9406c2f81" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_9cebd075-ec60-4798-94de-0a975bc6b8a5" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_23e64482-7afb-46dc-b265-95b9406c2f81" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_ff9ace43-8ced-46c1-a3ba-1d0e5d1af221" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_9cebd075-ec60-4798-94de-0a975bc6b8a5" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_ff9ace43-8ced-46c1-a3ba-1d0e5d1af221" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_136f16f4-6f90-4c8c-b87c-c9e5e754fba9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_9cebd075-ec60-4798-94de-0a975bc6b8a5" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_136f16f4-6f90-4c8c-b87c-c9e5e754fba9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive_b0741245-8fe0-4206-a7be-5abe9a550067" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_9cebd075-ec60-4798-94de-0a975bc6b8a5" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive_b0741245-8fe0-4206-a7be-5abe9a550067" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.spscommerce.com/role/CommitmentsandContingenciesSummaryofComponentsofLeaseExpenseDetails" xlink:type="simple" xlink:href="spsc-20251231.xsd#CommitmentsandContingenciesSummaryofComponentsofLeaseExpenseDetails"/>
  <link:calculationLink xlink:role="http://www.spscommerce.com/role/CommitmentsandContingenciesSummaryofComponentsofLeaseExpenseDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LeaseCost_cc21bf11-3117-4114-b964-487098bd52fd" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LeaseCost"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseCost_bdad9b8e-1a36-47e6-aacd-77c1b6da8e43" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingLeaseCost"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LeaseCost_cc21bf11-3117-4114-b964-487098bd52fd" xlink:to="loc_us-gaap_OperatingLeaseCost_bdad9b8e-1a36-47e6-aacd-77c1b6da8e43" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableLeaseCost_2aea21e1-d5fa-4784-8876-127ec896167d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_VariableLeaseCost"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LeaseCost_cc21bf11-3117-4114-b964-487098bd52fd" xlink:to="loc_us-gaap_VariableLeaseCost_2aea21e1-d5fa-4784-8876-127ec896167d" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.spscommerce.com/role/CommitmentsandContingenciesSummaryofFutureMinimumPaymentsUnderOperatingLeasesDetails" xlink:type="simple" xlink:href="spsc-20251231.xsd#CommitmentsandContingenciesSummaryofFutureMinimumPaymentsUnderOperatingLeasesDetails"/>
  <link:calculationLink xlink:role="http://www.spscommerce.com/role/CommitmentsandContingenciesSummaryofFutureMinimumPaymentsUnderOperatingLeasesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_d8d4123c-db4a-45aa-be0e-4690e05b7e58" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_97f4eb2a-0b32-4055-9ae9-27b4cb873887" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_d8d4123c-db4a-45aa-be0e-4690e05b7e58" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_97f4eb2a-0b32-4055-9ae9-27b4cb873887" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiability_a4d408a6-d05c-4712-a2db-31b7bba4604f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingLeaseLiability"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_d8d4123c-db4a-45aa-be0e-4690e05b7e58" xlink:to="loc_us-gaap_OperatingLeaseLiability_a4d408a6-d05c-4712-a2db-31b7bba4604f" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.spscommerce.com/role/CommitmentsandContingenciesSummaryofFutureMinimumPaymentsUnderOperatingLeasesDetails_1" xlink:type="simple" xlink:href="spsc-20251231.xsd#CommitmentsandContingenciesSummaryofFutureMinimumPaymentsUnderOperatingLeasesDetails_1"/>
  <link:calculationLink xlink:role="http://www.spscommerce.com/role/CommitmentsandContingenciesSummaryofFutureMinimumPaymentsUnderOperatingLeasesDetails_1" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_bc14dc9a-381e-4c8e-92c1-eaf766e81aee" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_c7913a2e-7da6-49b9-96b3-29ab41b8ea46" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_bc14dc9a-381e-4c8e-92c1-eaf766e81aee" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_c7913a2e-7da6-49b9-96b3-29ab41b8ea46" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_spsc_LesseeOperatingLeaseLiabilityToBePaidNetOfLeaseIncentivesYearTwo_b71efacd-88c3-4cb1-ab11-26b967ed68ca" xlink:href="spsc-20251231.xsd#spsc_LesseeOperatingLeaseLiabilityToBePaidNetOfLeaseIncentivesYearTwo"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_bc14dc9a-381e-4c8e-92c1-eaf766e81aee" xlink:to="loc_spsc_LesseeOperatingLeaseLiabilityToBePaidNetOfLeaseIncentivesYearTwo_b71efacd-88c3-4cb1-ab11-26b967ed68ca" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_bee27d57-4240-4c92-9b05-d46f525c02ef" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_bc14dc9a-381e-4c8e-92c1-eaf766e81aee" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_bee27d57-4240-4c92-9b05-d46f525c02ef" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_2ea45b02-6292-42a2-9bff-75b0e01e0957" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_bc14dc9a-381e-4c8e-92c1-eaf766e81aee" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_2ea45b02-6292-42a2-9bff-75b0e01e0957" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive_019bdae3-76f6-782b-b3f8-8a55cb9d5c86" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_bc14dc9a-381e-4c8e-92c1-eaf766e81aee" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive_019bdae3-76f6-782b-b3f8-8a55cb9d5c86" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive_019bdae3-76f6-7d80-ab41-fc8366120cc1" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_bc14dc9a-381e-4c8e-92c1-eaf766e81aee" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive_019bdae3-76f6-7d80-ab41-fc8366120cc1" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.spscommerce.com/role/CommitmentsandContingenciesSummaryofRemainingPurchaseCommitmentsDetails" xlink:type="simple" xlink:href="spsc-20251231.xsd#CommitmentsandContingenciesSummaryofRemainingPurchaseCommitmentsDetails"/>
  <link:calculationLink xlink:role="http://www.spscommerce.com/role/CommitmentsandContingenciesSummaryofRemainingPurchaseCommitmentsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PurchaseObligation_d8c5fde8-5b1d-4400-924f-3defc67770f9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PurchaseObligation"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PurchaseObligationDueInNextTwelveMonths_1506981a-5c66-4288-82ea-50a1091f421c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PurchaseObligationDueInNextTwelveMonths"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PurchaseObligation_d8c5fde8-5b1d-4400-924f-3defc67770f9" xlink:to="loc_us-gaap_PurchaseObligationDueInNextTwelveMonths_1506981a-5c66-4288-82ea-50a1091f421c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PurchaseObligationDueInSecondYear_a671b970-49fa-4d09-a940-2658184d1737" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PurchaseObligationDueInSecondYear"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PurchaseObligation_d8c5fde8-5b1d-4400-924f-3defc67770f9" xlink:to="loc_us-gaap_PurchaseObligationDueInSecondYear_a671b970-49fa-4d09-a940-2658184d1737" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PurchaseObligationDueInThirdYear_019b0173-f62a-7308-9202-7b1e5ce0d6c0" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PurchaseObligationDueInThirdYear"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PurchaseObligation_d8c5fde8-5b1d-4400-924f-3defc67770f9" xlink:to="loc_us-gaap_PurchaseObligationDueInThirdYear_019b0173-f62a-7308-9202-7b1e5ce0d6c0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PurchaseObligationDueInFourthYear_019bdaee-8b84-7681-9907-2c2a994a9804" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PurchaseObligationDueInFourthYear"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PurchaseObligation_d8c5fde8-5b1d-4400-924f-3defc67770f9" xlink:to="loc_us-gaap_PurchaseObligationDueInFourthYear_019bdaee-8b84-7681-9907-2c2a994a9804" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PurchaseObligationDueInFifthYear_019bdaee-8b84-7048-97b8-5bfd15245052" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PurchaseObligationDueInFifthYear"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PurchaseObligation_d8c5fde8-5b1d-4400-924f-3defc67770f9" xlink:to="loc_us-gaap_PurchaseObligationDueInFifthYear_019bdaee-8b84-7048-97b8-5bfd15245052" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.spscommerce.com/role/IncomeTaxesSummaryofProvisionBenefitforIncomeTaxesDetails" xlink:type="simple" xlink:href="spsc-20251231.xsd#IncomeTaxesSummaryofProvisionBenefitforIncomeTaxesDetails"/>
  <link:calculationLink xlink:role="http://www.spscommerce.com/role/IncomeTaxesSummaryofProvisionBenefitforIncomeTaxesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_2704f373-bf99-4512-a4d8-0f511f2275d7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CurrentFederalTaxExpenseBenefit_0eae2c82-c626-42c4-89b7-9363854574dd" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CurrentFederalTaxExpenseBenefit"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_2704f373-bf99-4512-a4d8-0f511f2275d7" xlink:to="loc_us-gaap_CurrentFederalTaxExpenseBenefit_0eae2c82-c626-42c4-89b7-9363854574dd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CurrentStateAndLocalTaxExpenseBenefit_ffcf9ba0-129a-4b73-bd6f-acefe2e0bba5" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CurrentStateAndLocalTaxExpenseBenefit"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_2704f373-bf99-4512-a4d8-0f511f2275d7" xlink:to="loc_us-gaap_CurrentStateAndLocalTaxExpenseBenefit_ffcf9ba0-129a-4b73-bd6f-acefe2e0bba5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CurrentForeignTaxExpenseBenefit_c1fd1223-f090-4642-bdb6-c3083cca3ccc" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CurrentForeignTaxExpenseBenefit"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_2704f373-bf99-4512-a4d8-0f511f2275d7" xlink:to="loc_us-gaap_CurrentForeignTaxExpenseBenefit_c1fd1223-f090-4642-bdb6-c3083cca3ccc" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredFederalIncomeTaxExpenseBenefit_45ef1d01-7fd8-4686-80e8-cbc98838528a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredFederalIncomeTaxExpenseBenefit"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_2704f373-bf99-4512-a4d8-0f511f2275d7" xlink:to="loc_us-gaap_DeferredFederalIncomeTaxExpenseBenefit_45ef1d01-7fd8-4686-80e8-cbc98838528a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit_84aa36e6-4228-4aa5-ab3e-d33c4b837780" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_2704f373-bf99-4512-a4d8-0f511f2275d7" xlink:to="loc_us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit_84aa36e6-4228-4aa5-ab3e-d33c4b837780" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredForeignIncomeTaxExpenseBenefit_ff33b2f8-790b-48ce-80cb-c672a765d618" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredForeignIncomeTaxExpenseBenefit"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_2704f373-bf99-4512-a4d8-0f511f2275d7" xlink:to="loc_us-gaap_DeferredForeignIncomeTaxExpenseBenefit_ff33b2f8-790b-48ce-80cb-c672a765d618" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.spscommerce.com/role/IncomeTaxesSummaryof2025USFederalStatutoryIncomeTaxRateEffectiveTaxRateofAmountsandPercentagesDetails" xlink:type="simple" xlink:href="spsc-20251231.xsd#IncomeTaxesSummaryof2025USFederalStatutoryIncomeTaxRateEffectiveTaxRateofAmountsandPercentagesDetails"/>
  <link:calculationLink xlink:role="http://www.spscommerce.com/role/IncomeTaxesSummaryof2025USFederalStatutoryIncomeTaxRateEffectiveTaxRateofAmountsandPercentagesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_019bee4c-7b65-7ffe-9c04-1c4f9dfbfda4" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EffectiveIncomeTaxRateContinuingOperations"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate_019bee4c-7b65-72b7-8e12-f44edbd0af26" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_019bee4c-7b65-7ffe-9c04-1c4f9dfbfda4" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate_019bee4c-7b65-72b7-8e12-f44edbd0af26" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditsResearch_019bee4c-7b65-7539-a824-f0f6bff867b2" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditsResearch"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_019bee4c-7b65-7ffe-9c04-1c4f9dfbfda4" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditsResearch_019bee4c-7b65-7539-a824-f0f6bff867b2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditsOther_019bee4c-7b65-7d44-b968-7981959fc1a1" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditsOther"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_019bee4c-7b65-7ffe-9c04-1c4f9dfbfda4" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditsOther_019bee4c-7b65-7d44-b968-7981959fc1a1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_spsc_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseCompensationExpensePercent_019bee4c-7b65-7289-ba07-488e603b50af" xlink:href="spsc-20251231.xsd#spsc_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseCompensationExpensePercent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_019bee4c-7b65-7ffe-9c04-1c4f9dfbfda4" xlink:to="loc_spsc_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseCompensationExpensePercent_019bee4c-7b65-7289-ba07-488e603b50af" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationTaxExemptIncome_019bee4c-7b65-7766-9d58-4df4186e37ff" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationTaxExemptIncome"/>
    <link:calculationArc order="5" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_019bee4c-7b65-7ffe-9c04-1c4f9dfbfda4" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationTaxExemptIncome_019bee4c-7b65-7766-9d58-4df4186e37ff" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationTaxContingencies_019bee4c-7b65-74f6-92de-9032c6c8581a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationTaxContingencies"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_019bee4c-7b65-7ffe-9c04-1c4f9dfbfda4" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationTaxContingencies_019bee4c-7b65-74f6-92de-9032c6c8581a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationCrossBorderTaxEffectPercent_019bee4c-7b65-7c1c-a98d-1f34cbd6c9c7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationCrossBorderTaxEffectPercent"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_019bee4c-7b65-7ffe-9c04-1c4f9dfbfda4" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationCrossBorderTaxEffectPercent_019bee4c-7b65-7c1c-a98d-1f34cbd6c9c7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes_019bee4c-7b65-7529-ad71-375f10ab4d04" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_019bee4c-7b65-7ffe-9c04-1c4f9dfbfda4" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes_019bee4c-7b65-7529-ad71-375f10ab4d04" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential_019bee4c-7b65-7054-878d-7e457344ff33" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential"/>
    <link:calculationArc order="9" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_019bee4c-7b65-7ffe-9c04-1c4f9dfbfda4" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential_019bee4c-7b65-7054-878d-7e457344ff33" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_019bee4c-5fdc-7163-8214-10692765488a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate_019bee4c-5fdc-7c68-bf4d-ba76ce1b32e8" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_019bee4c-5fdc-7163-8214-10692765488a" xlink:to="loc_us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate_019bee4c-5fdc-7c68-bf4d-ba76ce1b32e8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationTaxCreditsResearch_019bee4c-5fdc-7e16-99e3-5e6a742ac7c6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxReconciliationTaxCreditsResearch"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_019bee4c-5fdc-7163-8214-10692765488a" xlink:to="loc_us-gaap_IncomeTaxReconciliationTaxCreditsResearch_019bee4c-5fdc-7e16-99e3-5e6a742ac7c6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationTaxCreditsOther_019bee4c-5fdc-770d-8bc3-d080ffdaedcc" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxReconciliationTaxCreditsOther"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_019bee4c-5fdc-7163-8214-10692765488a" xlink:to="loc_us-gaap_IncomeTaxReconciliationTaxCreditsOther_019bee4c-5fdc-770d-8bc3-d080ffdaedcc" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_spsc_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseCompensationExpenseAmount_019bee4c-5fdc-7fe6-8c2b-788c09c5b986" xlink:href="spsc-20251231.xsd#spsc_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseCompensationExpenseAmount"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_019bee4c-5fdc-7163-8214-10692765488a" xlink:to="loc_spsc_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseCompensationExpenseAmount_019bee4c-5fdc-7fe6-8c2b-788c09c5b986" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationTaxExemptIncome_019bee4c-5fdc-79f7-bac0-be80c86b2330" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxReconciliationTaxExemptIncome"/>
    <link:calculationArc order="5" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_019bee4c-5fdc-7163-8214-10692765488a" xlink:to="loc_us-gaap_IncomeTaxReconciliationTaxExemptIncome_019bee4c-5fdc-79f7-bac0-be80c86b2330" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationTaxContingencies_019bee4c-5fdc-7018-a6cf-f912a94e9179" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxReconciliationTaxContingencies"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_019bee4c-5fdc-7163-8214-10692765488a" xlink:to="loc_us-gaap_IncomeTaxReconciliationTaxContingencies_019bee4c-5fdc-7018-a6cf-f912a94e9179" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationCrossBorderTaxEffectAmount_019bee4c-5fdc-7d7f-915c-690acf26a1ce" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationCrossBorderTaxEffectAmount"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_019bee4c-5fdc-7163-8214-10692765488a" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationCrossBorderTaxEffectAmount_019bee4c-5fdc-7d7f-915c-690acf26a1ce" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes_019bee4c-5fdc-7e88-921b-1267d8b248a3" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_019bee4c-5fdc-7163-8214-10692765488a" xlink:to="loc_us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes_019bee4c-5fdc-7e88-921b-1267d8b248a3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential_019bee4c-5fdc-7fe7-a5b8-160f2dd77e4e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential"/>
    <link:calculationArc order="9" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_019bee4c-5fdc-7163-8214-10692765488a" xlink:to="loc_us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential_019bee4c-5fdc-7fe7-a5b8-160f2dd77e4e" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.spscommerce.com/role/IncomeTaxesSummaryof2024and2023USFederalStatutoryIncomeTaxRateEffectiveTaxRatePercentagesDetails" xlink:type="simple" xlink:href="spsc-20251231.xsd#IncomeTaxesSummaryof2024and2023USFederalStatutoryIncomeTaxRateEffectiveTaxRatePercentagesDetails"/>
  <link:calculationLink xlink:role="http://www.spscommerce.com/role/IncomeTaxesSummaryof2024and2023USFederalStatutoryIncomeTaxRateEffectiveTaxRatePercentagesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_2fa47864-aa7e-4730-ae3d-c4fa63290e1d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EffectiveIncomeTaxRateContinuingOperations"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate_dc929f47-85a9-4fb0-9725-36b3491954ee" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_2fa47864-aa7e-4730-ae3d-c4fa63290e1d" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate_dc929f47-85a9-4fb0-9725-36b3491954ee" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes_4d5c2e51-a1c4-4989-9e9c-d5b031c7d751" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_2fa47864-aa7e-4730-ae3d-c4fa63290e1d" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes_4d5c2e51-a1c4-4989-9e9c-d5b031c7d751" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_spsc_EffectiveIncomeTaxRateReconciliationTaxBenefitsForExcessTaxDeductionFromStockActivity_d2efb52b-e39b-4a12-a994-bbb649d729c5" xlink:href="spsc-20251231.xsd#spsc_EffectiveIncomeTaxRateReconciliationTaxBenefitsForExcessTaxDeductionFromStockActivity"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_2fa47864-aa7e-4730-ae3d-c4fa63290e1d" xlink:to="loc_spsc_EffectiveIncomeTaxRateReconciliationTaxBenefitsForExcessTaxDeductionFromStockActivity_d2efb52b-e39b-4a12-a994-bbb649d729c5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_spsc_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseCompensationExpensePercent_2a6b4a90-847f-446a-8cdb-cead17246fe7" xlink:href="spsc-20251231.xsd#spsc_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseCompensationExpensePercent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_2fa47864-aa7e-4730-ae3d-c4fa63290e1d" xlink:to="loc_spsc_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseCompensationExpensePercent_2a6b4a90-847f-446a-8cdb-cead17246fe7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditsResearch_18a41062-3424-4fb3-a59e-5172413699d0" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditsResearch"/>
    <link:calculationArc order="5" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_2fa47864-aa7e-4730-ae3d-c4fa63290e1d" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditsResearch_18a41062-3424-4fb3-a59e-5172413699d0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationFdiiPercent_ab03e437-97ee-474a-be81-8753cf16353d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationFdiiPercent"/>
    <link:calculationArc order="6" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_2fa47864-aa7e-4730-ae3d-c4fa63290e1d" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationFdiiPercent_ab03e437-97ee-474a-be81-8753cf16353d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments_6a668298-5fb7-4e37-9b36-67bd02019fd7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_2fa47864-aa7e-4730-ae3d-c4fa63290e1d" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments_6a668298-5fb7-4e37-9b36-67bd02019fd7" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.spscommerce.com/role/IncomeTaxesSummaryofSignificantComponentsofDeferredTaxAssetsLiabilitiesDetails" xlink:type="simple" xlink:href="spsc-20251231.xsd#IncomeTaxesSummaryofSignificantComponentsofDeferredTaxAssetsLiabilitiesDetails"/>
  <link:calculationLink xlink:role="http://www.spscommerce.com/role/IncomeTaxesSummaryofSignificantComponentsofDeferredTaxAssetsLiabilitiesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxLiabilities_e10faabe-40b8-4d88-b0d9-40d692ec46fb" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredIncomeTaxLiabilities"/>
    <link:loc xlink:type="locator" xlink:label="loc_spsc_DeferredTaxLiabilitiesDeferredRevenueAndExpense_51e36cf0-195c-45a0-8262-6e0db66f1661" xlink:href="spsc-20251231.xsd#spsc_DeferredTaxLiabilitiesDeferredRevenueAndExpense"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxLiabilities_e10faabe-40b8-4d88-b0d9-40d692ec46fb" xlink:to="loc_spsc_DeferredTaxLiabilitiesDeferredRevenueAndExpense_51e36cf0-195c-45a0-8262-6e0db66f1661" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_spsc_DeferredTaxLiabilitiesRightOfUseAssets_bdd24028-83a8-4543-bf90-d87b96eb4a87" xlink:href="spsc-20251231.xsd#spsc_DeferredTaxLiabilitiesRightOfUseAssets"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxLiabilities_e10faabe-40b8-4d88-b0d9-40d692ec46fb" xlink:to="loc_spsc_DeferredTaxLiabilitiesRightOfUseAssets_bdd24028-83a8-4543-bf90-d87b96eb4a87" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_spsc_DeferredTaxLiabilitiesPropertyPlantAndEquipmentAndOtherFiniteLivedAssets_fea5941f-1958-4fc9-8940-ee9d62632b8e" xlink:href="spsc-20251231.xsd#spsc_DeferredTaxLiabilitiesPropertyPlantAndEquipmentAndOtherFiniteLivedAssets"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxLiabilities_e10faabe-40b8-4d88-b0d9-40d692ec46fb" xlink:to="loc_spsc_DeferredTaxLiabilitiesPropertyPlantAndEquipmentAndOtherFiniteLivedAssets_fea5941f-1958-4fc9-8940-ee9d62632b8e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesOther_ee281eea-7b94-4221-b4df-8ca7922e3db4" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredTaxLiabilitiesOther"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxLiabilities_e10faabe-40b8-4d88-b0d9-40d692ec46fb" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesOther_ee281eea-7b94-4221-b4df-8ca7922e3db4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsNet_c47adb55-36f2-49a7-acc2-34120d12e971" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredTaxAssetsNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsGross_5ec8e876-b6fc-413e-a22e-1c3074f3658f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredTaxAssetsGross"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsNet_c47adb55-36f2-49a7-acc2-34120d12e971" xlink:to="loc_us-gaap_DeferredTaxAssetsGross_5ec8e876-b6fc-413e-a22e-1c3074f3658f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsValuationAllowance_d5ab4703-2293-4d23-a88e-a13426a5364a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredTaxAssetsValuationAllowance"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsNet_c47adb55-36f2-49a7-acc2-34120d12e971" xlink:to="loc_us-gaap_DeferredTaxAssetsValuationAllowance_d5ab4703-2293-4d23-a88e-a13426a5364a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsGross_01343316-bb28-4c8e-86e3-d262739fdb02" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredTaxAssetsGross"/>
    <link:loc xlink:type="locator" xlink:label="loc_spsc_DeferredTaxAssetsOperatingLossAndTaxCreditCarryforwards_6a41e458-7d6e-427f-bdd7-cab5e84c205c" xlink:href="spsc-20251231.xsd#spsc_DeferredTaxAssetsOperatingLossAndTaxCreditCarryforwards"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_01343316-bb28-4c8e-86e3-d262739fdb02" xlink:to="loc_spsc_DeferredTaxAssetsOperatingLossAndTaxCreditCarryforwards_6a41e458-7d6e-427f-bdd7-cab5e84c205c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost_d4707c3a-93b0-400e-a0ed-15781b1e689c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_01343316-bb28-4c8e-86e3-d262739fdb02" xlink:to="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost_d4707c3a-93b0-400e-a0ed-15781b1e689c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities_f1d31152-5666-460c-82c9-9e4a1098ca6a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_01343316-bb28-4c8e-86e3-d262739fdb02" xlink:to="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities_f1d31152-5666-460c-82c9-9e4a1098ca6a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_spsc_DeferredTaxAssetsOperatingLeaseLiabilities_16b605ab-fbae-40fc-b20f-903057d7416c" xlink:href="spsc-20251231.xsd#spsc_DeferredTaxAssetsOperatingLeaseLiabilities"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_01343316-bb28-4c8e-86e3-d262739fdb02" xlink:to="loc_spsc_DeferredTaxAssetsOperatingLeaseLiabilities_16b605ab-fbae-40fc-b20f-903057d7416c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsInProcessResearchAndDevelopment_994fbd1d-b537-4dff-922e-f04ce291b7e4" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredTaxAssetsInProcessResearchAndDevelopment"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_01343316-bb28-4c8e-86e3-d262739fdb02" xlink:to="loc_us-gaap_DeferredTaxAssetsInProcessResearchAndDevelopment_994fbd1d-b537-4dff-922e-f04ce291b7e4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsOther_bb4e191d-9886-4f83-83c1-ea90562fbe02" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredTaxAssetsOther"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_01343316-bb28-4c8e-86e3-d262739fdb02" xlink:to="loc_us-gaap_DeferredTaxAssetsOther_bb4e191d-9886-4f83-83c1-ea90562fbe02" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxLiabilities_b57a7295-bc81-49e2-bdaf-8f64d581d16e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredTaxLiabilities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsNet_80705f5c-efdb-4789-9da0-2ee89ef079c7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredTaxAssetsNet"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxLiabilities_b57a7295-bc81-49e2-bdaf-8f64d581d16e" xlink:to="loc_us-gaap_DeferredTaxAssetsNet_80705f5c-efdb-4789-9da0-2ee89ef079c7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxLiabilities_aa41f9a3-ca8e-4ed3-9af9-3e1ab5f59c8b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredIncomeTaxLiabilities"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxLiabilities_b57a7295-bc81-49e2-bdaf-8f64d581d16e" xlink:to="loc_us-gaap_DeferredIncomeTaxLiabilities_aa41f9a3-ca8e-4ed3-9af9-3e1ab5f59c8b" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.spscommerce.com/role/IncomeTaxesSummaryofTaxLossCarryforwardsNetofSection382LimitationsDetails" xlink:type="simple" xlink:href="spsc-20251231.xsd#IncomeTaxesSummaryofTaxLossCarryforwardsNetofSection382LimitationsDetails"/>
  <link:calculationLink xlink:role="http://www.spscommerce.com/role/IncomeTaxesSummaryofTaxLossCarryforwardsNetofSection382LimitationsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLossCarryforwards_2ca845ff-2917-48f1-a43f-4bafb92290dd" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingLossCarryforwards"/>
    <link:loc xlink:type="locator" xlink:label="loc_spsc_OperatingLossCarryforwardNetOfAmountExpectedToExpireUnused_36dcd112-a259-403a-b9bc-7dca902b1db3" xlink:href="spsc-20251231.xsd#spsc_OperatingLossCarryforwardNetOfAmountExpectedToExpireUnused"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingLossCarryforwards_2ca845ff-2917-48f1-a43f-4bafb92290dd" xlink:to="loc_spsc_OperatingLossCarryforwardNetOfAmountExpectedToExpireUnused_36dcd112-a259-403a-b9bc-7dca902b1db3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_spsc_OperatingLossCarryforwardAmountExpectedToExpireUnused_a9a45261-495c-41ee-9a90-1b9e803ed8f6" xlink:href="spsc-20251231.xsd#spsc_OperatingLossCarryforwardAmountExpectedToExpireUnused"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingLossCarryforwards_2ca845ff-2917-48f1-a43f-4bafb92290dd" xlink:to="loc_spsc_OperatingLossCarryforwardAmountExpectedToExpireUnused_a9a45261-495c-41ee-9a90-1b9e803ed8f6" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.spscommerce.com/role/IncomeTaxesSummaryofIncomeTaxesPaidNetofRefundsReceivedbyJurisdictionDetails" xlink:type="simple" xlink:href="spsc-20251231.xsd#IncomeTaxesSummaryofIncomeTaxesPaidNetofRefundsReceivedbyJurisdictionDetails"/>
  <link:calculationLink xlink:role="http://www.spscommerce.com/role/IncomeTaxesSummaryofIncomeTaxesPaidNetofRefundsReceivedbyJurisdictionDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxesPaidNet_019bee7c-6e12-7101-a1cb-d2204f2b7cca" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxesPaidNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxPaidFederalAfterRefundReceived_019bee7c-6e12-79a3-8a44-6c8a6e332c29" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxPaidFederalAfterRefundReceived"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxesPaidNet_019bee7c-6e12-7101-a1cb-d2204f2b7cca" xlink:to="loc_us-gaap_IncomeTaxPaidFederalAfterRefundReceived_019bee7c-6e12-79a3-8a44-6c8a6e332c29" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxPaidStateAndLocalAfterRefundReceived_019bee7c-6e12-7748-9a8a-cafbd1f492c7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxPaidStateAndLocalAfterRefundReceived"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxesPaidNet_019bee7c-6e12-7101-a1cb-d2204f2b7cca" xlink:to="loc_us-gaap_IncomeTaxPaidStateAndLocalAfterRefundReceived_019bee7c-6e12-7748-9a8a-cafbd1f492c7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxPaidForeignAfterRefundReceived_019bee7c-6e12-79d6-b58c-db871a8ae31c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxPaidForeignAfterRefundReceived"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxesPaidNet_019bee7c-6e12-7101-a1cb-d2204f2b7cca" xlink:to="loc_us-gaap_IncomeTaxPaidForeignAfterRefundReceived_019bee7c-6e12-79d6-b58c-db871a8ae31c" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.spscommerce.com/role/OtherIncomeandExpenseDetails" xlink:type="simple" xlink:href="spsc-20251231.xsd#OtherIncomeandExpenseDetails"/>
  <link:calculationLink xlink:role="http://www.spscommerce.com/role/OtherIncomeandExpenseDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NonoperatingIncomeExpense_6dfea056-ed08-4fcc-b86c-4238ab6d16d9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NonoperatingIncomeExpense"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNonoperatingIncomeExpense_16567710-fd53-42c5-a16b-2e203797c3ba" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherNonoperatingIncomeExpense"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NonoperatingIncomeExpense_6dfea056-ed08-4fcc-b86c-4238ab6d16d9" xlink:to="loc_us-gaap_OtherNonoperatingIncomeExpense_16567710-fd53-42c5-a16b-2e203797c3ba" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentIncomeNet_f99c58ac-bed1-4189-a34c-b97a5ea26018" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InvestmentIncomeNet"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NonoperatingIncomeExpense_6dfea056-ed08-4fcc-b86c-4238ab6d16d9" xlink:to="loc_us-gaap_InvestmentIncomeNet_f99c58ac-bed1-4189-a34c-b97a5ea26018" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForeignCurrencyTransactionGainLossBeforeTax_9365744d-fc5c-4bba-8bdb-ec667a3c3cd2" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ForeignCurrencyTransactionGainLossBeforeTax"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NonoperatingIncomeExpense_6dfea056-ed08-4fcc-b86c-4238ab6d16d9" xlink:to="loc_us-gaap_ForeignCurrencyTransactionGainLossBeforeTax_9365744d-fc5c-4bba-8bdb-ec667a3c3cd2" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.spscommerce.com/role/NetIncomePerShareComponentsandComputationofBasicandDilutedNetIncomePerShareDetails" xlink:type="simple" xlink:href="spsc-20251231.xsd#NetIncomePerShareComponentsandComputationofBasicandDilutedNetIncomePerShareDetails"/>
  <link:calculationLink xlink:role="http://www.spscommerce.com/role/NetIncomePerShareComponentsandComputationofBasicandDilutedNetIncomePerShareDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_8b6eedee-30e1-4bcf-9b58-aec4e6b013af" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_2486d41d-05e8-4bab-bfbf-b39cb559d941" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_8b6eedee-30e1-4bcf-9b58-aec4e6b013af" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_2486d41d-05e8-4bab-bfbf-b39cb559d941" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_293cd841-69a6-4b7b-bcb6-da65d712edfa" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_8b6eedee-30e1-4bcf-9b58-aec4e6b013af" xlink:to="loc_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_293cd841-69a6-4b7b-bcb6-da65d712edfa" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncrementalCommonSharesAttributableToContingentlyIssuableShares_e373ae29-371b-4a05-9615-71919b3231d3" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncrementalCommonSharesAttributableToContingentlyIssuableShares"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_8b6eedee-30e1-4bcf-9b58-aec4e6b013af" xlink:to="loc_us-gaap_IncrementalCommonSharesAttributableToContingentlyIssuableShares_e373ae29-371b-4a05-9615-71919b3231d3" xlink:type="arc"/>
  </link:calculationLink>
</link:linkbase>
