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

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2026 Workiva-->
<!--r:019e2cd7-f436-7623-bc1a-0eb3f219c2d2,g:80594ee6-a0b3-4421-b425-1aea57c66a74-->
<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:arcroleRef arcroleURI="https://xbrl.org/2023/arcrole/summation-item" xlink:type="simple" xlink:href="https://www.xbrl.org/2023/calculation-1.1.xsd#summation-item"/>
  <link:roleRef roleURI="http://www.global.hayward.com/role/UnauditedCondensedConsolidatedBalanceSheets" xlink:type="simple" xlink:href="hayw-20260627.xsd#UnauditedCondensedConsolidatedBalanceSheets"/>
  <link:calculationLink xlink:role="http://www.global.hayward.com/role/UnauditedCondensedConsolidatedBalanceSheets" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Assets_019e2cd7-f7e8-72f3-918e-2ade165a664a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_Assets"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrent_019e2cd7-f7e8-74c8-9139-998108be10bb" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetsCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_019e2cd7-f7e8-72f3-918e-2ade165a664a" xlink:to="loc_us-gaap_AssetsCurrent_019e2cd7-f7e8-74c8-9139-998108be10bb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization_019e2cd7-f7e8-7135-a2f7-c668df43c16b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_019e2cd7-f7e8-72f3-918e-2ade165a664a" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization_019e2cd7-f7e8-7135-a2f7-c668df43c16b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Goodwill_019e2cd7-f7e8-74e5-b3cd-ef9a34b6be2c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_Goodwill"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_019e2cd7-f7e8-72f3-918e-2ade165a664a" xlink:to="loc_us-gaap_Goodwill_019e2cd7-f7e8-74e5-b3cd-ef9a34b6be2c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IndefiniteLivedTrademarks_019e2cd7-f7e8-7fa8-9836-f70fbbe4fc11" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IndefiniteLivedTrademarks"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_019e2cd7-f7e8-72f3-918e-2ade165a664a" xlink:to="loc_us-gaap_IndefiniteLivedTrademarks_019e2cd7-f7e8-7fa8-9836-f70fbbe4fc11" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_hayw_FiniteLivedCustomerRelationshipsNet_019e2cd7-f7e8-7d6f-a5c6-d96d6419a0d7" xlink:href="hayw-20260627.xsd#hayw_FiniteLivedCustomerRelationshipsNet"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_019e2cd7-f7e8-72f3-918e-2ade165a664a" xlink:to="loc_hayw_FiniteLivedCustomerRelationshipsNet_019e2cd7-f7e8-7d6f-a5c6-d96d6419a0d7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_hayw_OtherFiniteLivedIntangibleAssetsNet_019e2cd7-f7e8-7236-8bb1-f3e0a36ae102" xlink:href="hayw-20260627.xsd#hayw_OtherFiniteLivedIntangibleAssetsNet"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_019e2cd7-f7e8-72f3-918e-2ade165a664a" xlink:to="loc_hayw_OtherFiniteLivedIntangibleAssetsNet_019e2cd7-f7e8-7236-8bb1-f3e0a36ae102" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsNoncurrent_019e2cd7-f7e8-753f-955b-40f5325150dd" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherAssetsNoncurrent"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_019e2cd7-f7e8-72f3-918e-2ade165a664a" xlink:to="loc_us-gaap_OtherAssetsNoncurrent_019e2cd7-f7e8-753f-955b-40f5325150dd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrent_019e2cd7-f7e8-7392-9600-58140095683e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetsCurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_019e2cd7-f7e8-71c8-a405-5b1c276204fc" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_019e2cd7-f7e8-7392-9600-58140095683e" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_019e2cd7-f7e8-71c8-a405-5b1c276204fc" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShortTermInvestments_019e2cd7-f7e8-781e-b122-272a0c5b87fd" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShortTermInvestments"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_019e2cd7-f7e8-7392-9600-58140095683e" xlink:to="loc_us-gaap_ShortTermInvestments_019e2cd7-f7e8-781e-b122-272a0c5b87fd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableNetCurrent_019e2cd7-f7e8-7a2c-a89f-5000337234d7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccountsReceivableNetCurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_019e2cd7-f7e8-7392-9600-58140095683e" xlink:to="loc_us-gaap_AccountsReceivableNetCurrent_019e2cd7-f7e8-7a2c-a89f-5000337234d7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryNet_019e2cd7-f7e8-7041-9eff-24ed4bc7bc7e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InventoryNet"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_019e2cd7-f7e8-7392-9600-58140095683e" xlink:to="loc_us-gaap_InventoryNet_019e2cd7-f7e8-7041-9eff-24ed4bc7bc7e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PrepaidExpenseCurrent_019e2cd7-f7e8-7949-88e0-a8cb904693f8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PrepaidExpenseCurrent"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_019e2cd7-f7e8-7392-9600-58140095683e" xlink:to="loc_us-gaap_PrepaidExpenseCurrent_019e2cd7-f7e8-7949-88e0-a8cb904693f8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxesReceivable_019e2cd7-f7e8-7ada-b760-7bf94069a191" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeTaxesReceivable"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_019e2cd7-f7e8-7392-9600-58140095683e" xlink:to="loc_us-gaap_IncomeTaxesReceivable_019e2cd7-f7e8-7ada-b760-7bf94069a191" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsCurrent_019e2cd7-f7e8-7809-857e-aa5900ea4d8b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherAssetsCurrent"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_019e2cd7-f7e8-7392-9600-58140095683e" xlink:to="loc_us-gaap_OtherAssetsCurrent_019e2cd7-f7e8-7809-857e-aa5900ea4d8b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Liabilities_019e2cd7-f7e8-7fc6-80d2-aaea5070c975" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_Liabilities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrent_019e2cd7-f7e8-79d8-87d7-7b620a1d5ceb" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LiabilitiesCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_019e2cd7-f7e8-7fc6-80d2-aaea5070c975" xlink:to="loc_us-gaap_LiabilitiesCurrent_019e2cd7-f7e8-79d8-87d7-7b620a1d5ceb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligations_019e2cd7-f7e8-799d-8eef-4b65cb7f1849" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligations"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_019e2cd7-f7e8-7fc6-80d2-aaea5070c975" xlink:to="loc_us-gaap_LongTermDebtAndCapitalLeaseObligations_019e2cd7-f7e8-799d-8eef-4b65cb7f1849" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxLiabilitiesNet_019e2cd7-f7e8-79d1-94ea-1626bdc24915" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DeferredIncomeTaxLiabilitiesNet"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_019e2cd7-f7e8-7fc6-80d2-aaea5070c975" xlink:to="loc_us-gaap_DeferredIncomeTaxLiabilitiesNet_019e2cd7-f7e8-79d1-94ea-1626bdc24915" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilitiesNoncurrent_019e2cd7-f7e8-7f36-94b2-fffed3cfe23f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherLiabilitiesNoncurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_019e2cd7-f7e8-7fc6-80d2-aaea5070c975" xlink:to="loc_us-gaap_OtherLiabilitiesNoncurrent_019e2cd7-f7e8-7f36-94b2-fffed3cfe23f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_019e2cd7-f7e8-7f0f-8a89-c801e41b24dc" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LiabilitiesAndStockholdersEquity"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Liabilities_019e2cd7-f7e8-7206-a847-f183de091c5c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_Liabilities"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_019e2cd7-f7e8-7f0f-8a89-c801e41b24dc" xlink:to="loc_us-gaap_Liabilities_019e2cd7-f7e8-7206-a847-f183de091c5c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommitmentsAndContingencies_019e2cd7-f7e8-7021-94da-697c4a909f2b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommitmentsAndContingencies"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_019e2cd7-f7e8-7f0f-8a89-c801e41b24dc" xlink:to="loc_us-gaap_CommitmentsAndContingencies_019e2cd7-f7e8-7021-94da-697c4a909f2b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_019e2cd7-f7e8-78d6-806e-6a49dd7984e0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockholdersEquity"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_019e2cd7-f7e8-7f0f-8a89-c801e41b24dc" xlink:to="loc_us-gaap_StockholdersEquity_019e2cd7-f7e8-78d6-806e-6a49dd7984e0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_019e2cd7-f7e8-73d4-a0f5-51f1f5aeb93f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockholdersEquity"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockValue_019e2cd7-f7e8-7769-9cb3-955f2298ee9e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PreferredStockValue"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_019e2cd7-f7e8-73d4-a0f5-51f1f5aeb93f" xlink:to="loc_us-gaap_PreferredStockValue_019e2cd7-f7e8-7769-9cb3-955f2298ee9e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockValue_019e2cd7-f7e8-7139-8060-2b550d7bd26e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommonStockValue"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_019e2cd7-f7e8-73d4-a0f5-51f1f5aeb93f" xlink:to="loc_us-gaap_CommonStockValue_019e2cd7-f7e8-7139-8060-2b550d7bd26e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalPaidInCapital_019e2cd7-f7e8-73da-9499-3d7d3814c103" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AdditionalPaidInCapital"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_019e2cd7-f7e8-73d4-a0f5-51f1f5aeb93f" xlink:to="loc_us-gaap_AdditionalPaidInCapital_019e2cd7-f7e8-73da-9499-3d7d3814c103" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockCommonValue_019e2cd7-f7e8-73ff-ae34-07b21da30447" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TreasuryStockCommonValue"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_019e2cd7-f7e8-73d4-a0f5-51f1f5aeb93f" xlink:to="loc_us-gaap_TreasuryStockCommonValue_019e2cd7-f7e8-73ff-ae34-07b21da30447" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_019e2cd7-f7e8-7c7e-9b31-4ec7688b85b3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RetainedEarningsAccumulatedDeficit"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_019e2cd7-f7e8-73d4-a0f5-51f1f5aeb93f" xlink:to="loc_us-gaap_RetainedEarningsAccumulatedDeficit_019e2cd7-f7e8-7c7e-9b31-4ec7688b85b3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_019e2cd7-f7e8-749e-b733-199bfd20ef4b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_019e2cd7-f7e8-73d4-a0f5-51f1f5aeb93f" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_019e2cd7-f7e8-749e-b733-199bfd20ef4b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrent_019e2cd7-f7e8-79c7-a171-21f8769b2122" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LiabilitiesCurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent_019e2cd7-f7e8-72e9-86a0-02f88b056dec" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_019e2cd7-f7e8-79c7-a171-21f8769b2122" xlink:to="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent_019e2cd7-f7e8-72e9-86a0-02f88b056dec" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsPayableCurrent_019e2cd7-f7e8-709c-8633-b1436511dfb2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccountsPayableCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_019e2cd7-f7e8-79c7-a171-21f8769b2122" xlink:to="loc_us-gaap_AccountsPayableCurrent_019e2cd7-f7e8-709c-8633-b1436511dfb2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_hayw_AccruedLiabilitiesAndOtherLiabilitiesCurrent_019e2cd7-f7e8-7e4f-8149-ba9ecf41eed4" xlink:href="hayw-20260627.xsd#hayw_AccruedLiabilitiesAndOtherLiabilitiesCurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_019e2cd7-f7e8-79c7-a171-21f8769b2122" xlink:to="loc_hayw_AccruedLiabilitiesAndOtherLiabilitiesCurrent_019e2cd7-f7e8-7e4f-8149-ba9ecf41eed4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TaxesPayableCurrent_019e2cd7-f7e8-7cff-96d5-00ad59484191" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TaxesPayableCurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_019e2cd7-f7e8-79c7-a171-21f8769b2122" xlink:to="loc_us-gaap_TaxesPayableCurrent_019e2cd7-f7e8-7cff-96d5-00ad59484191" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.global.hayward.com/role/UnauditedCondensedConsolidatedStatementsofOperations" xlink:type="simple" xlink:href="hayw-20260627.xsd#UnauditedCondensedConsolidatedStatementsofOperations"/>
  <link:calculationLink xlink:role="http://www.global.hayward.com/role/UnauditedCondensedConsolidatedStatementsofOperations" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_019e2cd7-f7e8-7054-90ff-eceda1ce9510" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_019e2cd7-f7e8-7cf7-ba7d-a7c3f8f6501f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_019e2cd7-f7e8-7054-90ff-eceda1ce9510" xlink:to="loc_us-gaap_OperatingIncomeLoss_019e2cd7-f7e8-7cf7-ba7d-a7c3f8f6501f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NonoperatingIncomeExpense_019e2cd7-f7e8-7047-a756-82f657397b5a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NonoperatingIncomeExpense"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_019e2cd7-f7e8-7054-90ff-eceda1ce9510" xlink:to="loc_us-gaap_NonoperatingIncomeExpense_019e2cd7-f7e8-7047-a756-82f657397b5a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_019e2cd7-f7e8-7449-93f0-9ebd1b6bce8b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GrossProfit_019e2cd7-f7e8-7ac6-b891-ce9cb644686c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_GrossProfit"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_019e2cd7-f7e8-7449-93f0-9ebd1b6bce8b" xlink:to="loc_us-gaap_GrossProfit_019e2cd7-f7e8-7ac6-b891-ce9cb644686c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SellingGeneralAndAdministrativeExpense_019e2cd7-f7e8-72a2-a96b-5670e00da036" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SellingGeneralAndAdministrativeExpense"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_019e2cd7-f7e8-7449-93f0-9ebd1b6bce8b" xlink:to="loc_us-gaap_SellingGeneralAndAdministrativeExpense_019e2cd7-f7e8-72a2-a96b-5670e00da036" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ResearchAndDevelopmentExpense_019e2cd7-f7e8-7b72-979e-9f317caf224b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ResearchAndDevelopmentExpense"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_019e2cd7-f7e8-7449-93f0-9ebd1b6bce8b" xlink:to="loc_us-gaap_ResearchAndDevelopmentExpense_019e2cd7-f7e8-7b72-979e-9f317caf224b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_hayw_AcquisitionAndRestructuringRelatedExpenseIncome_019e2cd7-f7e8-7b27-86db-eb86c8405079" xlink:href="hayw-20260627.xsd#hayw_AcquisitionAndRestructuringRelatedExpenseIncome"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_019e2cd7-f7e8-7449-93f0-9ebd1b6bce8b" xlink:to="loc_hayw_AcquisitionAndRestructuringRelatedExpenseIncome_019e2cd7-f7e8-7b27-86db-eb86c8405079" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_hayw_AmortizationOfIntangibleAssetsExcludingPortionDeemedCostOfSales_019e2cd7-f7e8-7759-af95-445e514bc6dd" xlink:href="hayw-20260627.xsd#hayw_AmortizationOfIntangibleAssetsExcludingPortionDeemedCostOfSales"/>
    <link:calculationArc order="5" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_019e2cd7-f7e8-7449-93f0-9ebd1b6bce8b" xlink:to="loc_hayw_AmortizationOfIntangibleAssetsExcludingPortionDeemedCostOfSales_019e2cd7-f7e8-7759-af95-445e514bc6dd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NonoperatingIncomeExpense_019e2cd7-f7e8-75cb-b1da-4d092393bcc2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NonoperatingIncomeExpense"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestIncomeExpenseNonoperatingNet_019e2cd7-f7e8-7fba-8e65-f3ebf7559458" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InterestIncomeExpenseNonoperatingNet"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NonoperatingIncomeExpense_019e2cd7-f7e8-75cb-b1da-4d092393bcc2" xlink:to="loc_us-gaap_InterestIncomeExpenseNonoperatingNet_019e2cd7-f7e8-7fba-8e65-f3ebf7559458" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_019e2cd7-f7e8-752c-8e8a-8000135a594b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_GainsLossesOnExtinguishmentOfDebt"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NonoperatingIncomeExpense_019e2cd7-f7e8-75cb-b1da-4d092393bcc2" xlink:to="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_019e2cd7-f7e8-752c-8e8a-8000135a594b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNonoperatingIncomeExpense_019e2cd7-f7e8-7588-a803-476b8b51506b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherNonoperatingIncomeExpense"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NonoperatingIncomeExpense_019e2cd7-f7e8-75cb-b1da-4d092393bcc2" xlink:to="loc_us-gaap_OtherNonoperatingIncomeExpense_019e2cd7-f7e8-7588-a803-476b8b51506b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GrossProfit_019e2cd7-f7e8-7406-8ca4-0ed5de601788" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_GrossProfit"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_019e2cd7-f7e8-7516-827b-edfdbaf6ddd6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_GrossProfit_019e2cd7-f7e8-7406-8ca4-0ed5de601788" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_019e2cd7-f7e8-7516-827b-edfdbaf6ddd6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfGoodsAndServicesSold_019e2cd7-f7e8-77e9-b2cb-c8ed962a0eb7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CostOfGoodsAndServicesSold"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_GrossProfit_019e2cd7-f7e8-7406-8ca4-0ed5de601788" xlink:to="loc_us-gaap_CostOfGoodsAndServicesSold_019e2cd7-f7e8-77e9-b2cb-c8ed962a0eb7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_019e2cd7-f7e8-7675-b860-1574c4f2e62c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetIncomeLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_019e2cd7-f7e8-7384-872b-363a88704420" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_019e2cd7-f7e8-7675-b860-1574c4f2e62c" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_019e2cd7-f7e8-7384-872b-363a88704420" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_019e2cd7-f7e8-7411-92f0-8170223a0230" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_019e2cd7-f7e8-7675-b860-1574c4f2e62c" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_019e2cd7-f7e8-7411-92f0-8170223a0230" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.global.hayward.com/role/UnauditedCondensedConsolidatedStatementsofComprehensiveIncome" xlink:type="simple" xlink:href="hayw-20260627.xsd#UnauditedCondensedConsolidatedStatementsofComprehensiveIncome"/>
  <link:calculationLink xlink:role="http://www.global.hayward.com/role/UnauditedCondensedConsolidatedStatementsofComprehensiveIncome" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTax_019f7fa1-66dd-7cec-a3dd-dd6c83f4b43a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ComprehensiveIncomeNetOfTax"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_019f7fa1-66dd-74a0-bb79-a8f5d0c47b37" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetIncomeLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_019f7fa1-66dd-7cec-a3dd-dd6c83f4b43a" xlink:to="loc_us-gaap_NetIncomeLoss_019f7fa1-66dd-74a0-bb79-a8f5d0c47b37" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent_019f7fa1-66dd-767d-95cb-e332dd314dc9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_019f7fa1-66dd-7cec-a3dd-dd6c83f4b43a" xlink:to="loc_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent_019f7fa1-66dd-767d-95cb-e332dd314dc9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_hayw_OtherComprehensiveIncomeLossNetInvestmentHedgeGainLossNetOfTaxPortionAttributableToParent_019f7fa1-66dd-7bdf-b6f2-bb3ccda013f7" xlink:href="hayw-20260627.xsd#hayw_OtherComprehensiveIncomeLossNetInvestmentHedgeGainLossNetOfTaxPortionAttributableToParent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_019f7fa1-66dd-7cec-a3dd-dd6c83f4b43a" xlink:to="loc_hayw_OtherComprehensiveIncomeLossNetInvestmentHedgeGainLossNetOfTaxPortionAttributableToParent_019f7fa1-66dd-7bdf-b6f2-bb3ccda013f7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent_019f7fa1-66dd-778a-b89e-1149320de4fd" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_019f7fa1-66dd-7cec-a3dd-dd6c83f4b43a" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent_019f7fa1-66dd-778a-b89e-1149320de4fd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_hayw_OtherComprehensiveIncomeLossNetInvestmentHedgeGainLossNetOfTaxPortionAttributableToParent_019f7fa0-6970-77e7-9683-b908ed3af202" xlink:href="hayw-20260627.xsd#hayw_OtherComprehensiveIncomeLossNetInvestmentHedgeGainLossNetOfTaxPortionAttributableToParent"/>
    <link:loc xlink:type="locator" xlink:label="loc_hayw_OtherComprehensiveIncomeLossNetInvestmentHedgeGainLossBeforeReclassificationAndTaxParent_019f7fa0-6970-747a-9553-8a9c4811dcfe" xlink:href="hayw-20260627.xsd#hayw_OtherComprehensiveIncomeLossNetInvestmentHedgeGainLossBeforeReclassificationAndTaxParent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_hayw_OtherComprehensiveIncomeLossNetInvestmentHedgeGainLossNetOfTaxPortionAttributableToParent_019f7fa0-6970-77e7-9683-b908ed3af202" xlink:to="loc_hayw_OtherComprehensiveIncomeLossNetInvestmentHedgeGainLossBeforeReclassificationAndTaxParent_019f7fa0-6970-747a-9553-8a9c4811dcfe" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_hayw_OtherComprehensiveIncomeLossNetInvestmentHedgeGainLossTaxParent_019f7fa0-6970-722c-9cb4-6a3099cfb227" xlink:href="hayw-20260627.xsd#hayw_OtherComprehensiveIncomeLossNetInvestmentHedgeGainLossTaxParent"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_hayw_OtherComprehensiveIncomeLossNetInvestmentHedgeGainLossNetOfTaxPortionAttributableToParent_019f7fa0-6970-77e7-9683-b908ed3af202" xlink:to="loc_hayw_OtherComprehensiveIncomeLossNetInvestmentHedgeGainLossTaxParent_019f7fa0-6970-722c-9cb4-6a3099cfb227" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent_019e2cd7-f7e8-73c8-8650-e578c3bc1b89" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxParent_019e2cd7-f7e8-795f-8407-275891e59ab0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxParent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent_019e2cd7-f7e8-73c8-8650-e578c3bc1b89" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxParent_019e2cd7-f7e8-795f-8407-275891e59ab0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTaxParent_019e2cd7-f7e8-7bea-97ab-9280b500c061" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTaxParent"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent_019e2cd7-f7e8-73c8-8650-e578c3bc1b89" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTaxParent_019e2cd7-f7e8-7bea-97ab-9280b500c061" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent_019e2cd7-f7e8-7b01-801c-76fef719f6e0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentBeforeTaxPortionAttributableToParent_019e2cd7-f7e8-7fb0-8b33-290d0dab8d40" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentBeforeTaxPortionAttributableToParent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent_019e2cd7-f7e8-7b01-801c-76fef719f6e0" xlink:to="loc_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentBeforeTaxPortionAttributableToParent_019e2cd7-f7e8-7fb0-8b33-290d0dab8d40" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeForeignCurrencyTranslationAdjustmentTaxPortionAttributableToParent_019e2cd7-f7e8-7828-bea0-f1d65330244a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeForeignCurrencyTranslationAdjustmentTaxPortionAttributableToParent"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent_019e2cd7-f7e8-7b01-801c-76fef719f6e0" xlink:to="loc_us-gaap_OtherComprehensiveIncomeForeignCurrencyTranslationAdjustmentTaxPortionAttributableToParent_019e2cd7-f7e8-7828-bea0-f1d65330244a" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.global.hayward.com/role/UnauditedCondensedConsolidatedStatementsofCashFlows" xlink:type="simple" xlink:href="hayw-20260627.xsd#UnauditedCondensedConsolidatedStatementsofCashFlows"/>
  <link:calculationLink xlink:role="http://www.global.hayward.com/role/UnauditedCondensedConsolidatedStatementsofCashFlows" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019e2cd7-f7e8-72ca-a2a5-0cfff79c9773" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RepaymentsOfLongTermDebt_019e2cd7-f7e8-7c0d-8371-9ba61560a751" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RepaymentsOfLongTermDebt"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019e2cd7-f7e8-72ca-a2a5-0cfff79c9773" xlink:to="loc_us-gaap_RepaymentsOfLongTermDebt_019e2cd7-f7e8-7c0d-8371-9ba61560a751" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RepaymentsOfNotesPayable_019e2cd7-f7e8-7fbe-8195-f885a68f3f50" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RepaymentsOfNotesPayable"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019e2cd7-f7e8-72ca-a2a5-0cfff79c9773" xlink:to="loc_us-gaap_RepaymentsOfNotesPayable_019e2cd7-f7e8-7fbe-8195-f885a68f3f50" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_019e2cd7-f7e8-76a6-9d69-7f85e7865133" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PaymentsForRepurchaseOfCommonStock"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019e2cd7-f7e8-72ca-a2a5-0cfff79c9773" xlink:to="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_019e2cd7-f7e8-76a6-9d69-7f85e7865133" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_019e2cd7-f7e8-7af0-a4db-574ee37bbc0c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019e2cd7-f7e8-72ca-a2a5-0cfff79c9773" xlink:to="loc_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_019e2cd7-f7e8-7af0-a4db-574ee37bbc0c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_019e2cd7-f7e8-7264-a65a-fb8329617c0e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProceedsFromPaymentsForOtherFinancingActivities"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019e2cd7-f7e8-72ca-a2a5-0cfff79c9773" xlink:to="loc_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_019e2cd7-f7e8-7264-a65a-fb8329617c0e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsOfDebtIssuanceCosts_019e444c-420d-7048-8f17-208e94090dd6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PaymentsOfDebtIssuanceCosts"/>
    <link:calculationArc order="6" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019e2cd7-f7e8-72ca-a2a5-0cfff79c9773" xlink:to="loc_us-gaap_PaymentsOfDebtIssuanceCosts_019e444c-420d-7048-8f17-208e94090dd6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfLongTermDebt_019f64fd-f434-7476-9591-c8ae85f41862" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProceedsFromIssuanceOfLongTermDebt"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019e2cd7-f7e8-72ca-a2a5-0cfff79c9773" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfLongTermDebt_019f64fd-f434-7476-9591-c8ae85f41862" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfCommonStock_019f64fe-32c1-7f46-9886-1dafb2e7b9ac" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProceedsFromIssuanceOfCommonStock"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019e2cd7-f7e8-72ca-a2a5-0cfff79c9773" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfCommonStock_019f64fe-32c1-7f46-9886-1dafb2e7b9ac" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_019e2cd7-f7e8-738c-bd53-a74df3129667" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019e2cd7-f7e8-7133-9ade-1b322a91906b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_019e2cd7-f7e8-738c-bd53-a74df3129667" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019e2cd7-f7e8-7133-9ade-1b322a91906b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_019e2cd7-f7e8-7bed-9387-8f056b1ea842" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_019e2cd7-f7e8-738c-bd53-a74df3129667" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_019e2cd7-f7e8-7bed-9387-8f056b1ea842" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019e2cd7-f7e8-7907-a622-ad36a84488ec" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_019e2cd7-f7e8-738c-bd53-a74df3129667" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019e2cd7-f7e8-7907-a622-ad36a84488ec" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_019e2cd7-f7e8-798f-96e0-45eee428d2ff" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_019e2cd7-f7e8-738c-bd53-a74df3129667" xlink:to="loc_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_019e2cd7-f7e8-798f-96e0-45eee428d2ff" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_019e2cd7-f7e8-7e1a-bfbc-ab2bc2195901" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_019e2cd7-f7e8-7276-979b-88a91819d9df" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_019e2cd7-f7e8-7e1a-bfbc-ab2bc2195901" xlink:to="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_019e2cd7-f7e8-7276-979b-88a91819d9df" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToDevelopSoftware_019e2cd7-f7e8-776a-88a9-3f9bb760c24b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PaymentsToDevelopSoftware"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_019e2cd7-f7e8-7e1a-bfbc-ab2bc2195901" xlink:to="loc_us-gaap_PaymentsToDevelopSoftware_019e2cd7-f7e8-776a-88a9-3f9bb760c24b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromHedgeInvestingActivities_019e2cd7-f7e8-72e1-8986-63fcd1ea6d95" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProceedsFromHedgeInvestingActivities"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_019e2cd7-f7e8-7e1a-bfbc-ab2bc2195901" xlink:to="loc_us-gaap_ProceedsFromHedgeInvestingActivities_019e2cd7-f7e8-72e1-8986-63fcd1ea6d95" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireShortTermInvestments_019e2cd7-f7e8-7a7c-bc47-49948d3966db" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PaymentsToAcquireShortTermInvestments"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_019e2cd7-f7e8-7e1a-bfbc-ab2bc2195901" xlink:to="loc_us-gaap_PaymentsToAcquireShortTermInvestments_019e2cd7-f7e8-7a7c-bc47-49948d3966db" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019e2cd7-f7e8-70ae-86a2-cd2a21c08193" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_019e2cd7-f7e8-71ca-972a-d6289557ff3c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetIncomeLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019e2cd7-f7e8-70ae-86a2-cd2a21c08193" xlink:to="loc_us-gaap_NetIncomeLoss_019e2cd7-f7e8-71ca-972a-d6289557ff3c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Depreciation_019e2cd7-f7e8-7059-a70e-667bdf37cb0f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_Depreciation"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019e2cd7-f7e8-70ae-86a2-cd2a21c08193" xlink:to="loc_us-gaap_Depreciation_019e2cd7-f7e8-7059-a70e-667bdf37cb0f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_hayw_AmortizationOfTotalIntangibleAssets_019e2cd7-f7e8-7562-be56-be0cbb212ea1" xlink:href="hayw-20260627.xsd#hayw_AmortizationOfTotalIntangibleAssets"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019e2cd7-f7e8-70ae-86a2-cd2a21c08193" xlink:to="loc_hayw_AmortizationOfTotalIntangibleAssets_019e2cd7-f7e8-7562-be56-be0cbb212ea1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AmortizationOfFinancingCosts_019e2cd7-f7e8-7f60-bbb1-872cc0baf7da" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AmortizationOfFinancingCosts"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019e2cd7-f7e8-70ae-86a2-cd2a21c08193" xlink:to="loc_us-gaap_AmortizationOfFinancingCosts_019e2cd7-f7e8-7f60-bbb1-872cc0baf7da" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensation_019e2cd7-f7e8-73ec-a0c4-7637e7b80789" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensation"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019e2cd7-f7e8-70ae-86a2-cd2a21c08193" xlink:to="loc_us-gaap_ShareBasedCompensation_019e2cd7-f7e8-73ec-a0c4-7637e7b80789" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxesAndTaxCredits_019e2cd7-f7e8-7bf0-aa70-9c29a21fc676" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DeferredIncomeTaxesAndTaxCredits"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019e2cd7-f7e8-70ae-86a2-cd2a21c08193" xlink:to="loc_us-gaap_DeferredIncomeTaxesAndTaxCredits_019e2cd7-f7e8-7bf0-aa70-9c29a21fc676" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProvisionForDoubtfulAccounts_019e2cd7-f7e8-782f-baa5-b8d62a1a4ab7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProvisionForDoubtfulAccounts"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019e2cd7-f7e8-70ae-86a2-cd2a21c08193" xlink:to="loc_us-gaap_ProvisionForDoubtfulAccounts_019e2cd7-f7e8-782f-baa5-b8d62a1a4ab7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossOnSaleOfPropertyPlantEquipment_019e2cd7-f7e8-7004-860e-bb65fe0b12ea" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_GainLossOnSaleOfPropertyPlantEquipment"/>
    <link:calculationArc order="8" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019e2cd7-f7e8-70ae-86a2-cd2a21c08193" xlink:to="loc_us-gaap_GainLossOnSaleOfPropertyPlantEquipment_019e2cd7-f7e8-7004-860e-bb65fe0b12ea" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_019e2cd7-f7e8-75bb-a43c-ae4cffaa68a6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncreaseDecreaseInAccountsReceivable"/>
    <link:calculationArc order="9" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019e2cd7-f7e8-70ae-86a2-cd2a21c08193" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_019e2cd7-f7e8-75bb-a43c-ae4cffaa68a6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInInventories_019e2cd7-f7e8-7ada-9266-9df57380daa1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncreaseDecreaseInInventories"/>
    <link:calculationArc order="10" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019e2cd7-f7e8-70ae-86a2-cd2a21c08193" xlink:to="loc_us-gaap_IncreaseDecreaseInInventories_019e2cd7-f7e8-7ada-9266-9df57380daa1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherOperatingAssets_019e2cd7-f7e8-7488-816f-e31b5a508c1f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncreaseDecreaseInOtherOperatingAssets"/>
    <link:calculationArc order="11" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019e2cd7-f7e8-70ae-86a2-cd2a21c08193" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherOperatingAssets_019e2cd7-f7e8-7488-816f-e31b5a508c1f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsPayable_019e2cd7-f7e8-71a6-96e9-62381115701a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncreaseDecreaseInAccountsPayable"/>
    <link:calculationArc order="12" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019e2cd7-f7e8-70ae-86a2-cd2a21c08193" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsPayable_019e2cd7-f7e8-71a6-96e9-62381115701a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_hayw_IncreaseDecreaseInAccountsPayableAccruedLiabilitiesAndOtherLiabilities_019e2cd7-f7e8-7d14-83e8-6aeee8bdfbeb" xlink:href="hayw-20260627.xsd#hayw_IncreaseDecreaseInAccountsPayableAccruedLiabilitiesAndOtherLiabilities"/>
    <link:calculationArc order="13" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019e2cd7-f7e8-70ae-86a2-cd2a21c08193" xlink:to="loc_hayw_IncreaseDecreaseInAccountsPayableAccruedLiabilitiesAndOtherLiabilities_019e2cd7-f7e8-7d14-83e8-6aeee8bdfbeb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_hayw_GainLossOnExtinguishmentOfDebtNoncash_019e444d-012a-7030-8920-555cf8c9b8e1" xlink:href="hayw-20260627.xsd#hayw_GainLossOnExtinguishmentOfDebtNoncash"/>
    <link:calculationArc order="14" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019e2cd7-f7e8-70ae-86a2-cd2a21c08193" xlink:to="loc_hayw_GainLossOnExtinguishmentOfDebtNoncash_019e444d-012a-7030-8920-555cf8c9b8e1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNoncashIncomeExpense_019f64f9-5519-75e4-a18a-d3cd303a9391" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherNoncashIncomeExpense"/>
    <link:calculationArc order="15" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019e2cd7-f7e8-70ae-86a2-cd2a21c08193" xlink:to="loc_us-gaap_OtherNoncashIncomeExpense_019f64f9-5519-75e4-a18a-d3cd303a9391" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.global.hayward.com/role/InventoriesDetails" xlink:type="simple" xlink:href="hayw-20260627.xsd#InventoriesDetails"/>
  <link:calculationLink xlink:role="http://www.global.hayward.com/role/InventoriesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryNet_019e2cd7-f7e9-7033-bb48-c638b893baaa" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InventoryNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryRawMaterialsAndSuppliesNetOfReserves_019e2cd7-f7e9-7ad8-84e5-6ab214f661a2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InventoryRawMaterialsAndSuppliesNetOfReserves"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_InventoryNet_019e2cd7-f7e9-7033-bb48-c638b893baaa" xlink:to="loc_us-gaap_InventoryRawMaterialsAndSuppliesNetOfReserves_019e2cd7-f7e9-7ad8-84e5-6ab214f661a2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryWorkInProcessNetOfReserves_019e2cd7-f7e9-7c88-9003-77a6b0a17a0b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InventoryWorkInProcessNetOfReserves"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_InventoryNet_019e2cd7-f7e9-7033-bb48-c638b893baaa" xlink:to="loc_us-gaap_InventoryWorkInProcessNetOfReserves_019e2cd7-f7e9-7c88-9003-77a6b0a17a0b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryFinishedGoodsNetOfReserves_019e2cd7-f7e9-7e94-be5f-56e0c59fbe3e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InventoryFinishedGoodsNetOfReserves"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_InventoryNet_019e2cd7-f7e9-7033-bb48-c638b893baaa" xlink:to="loc_us-gaap_InventoryFinishedGoodsNetOfReserves_019e2cd7-f7e9-7e94-be5f-56e0c59fbe3e" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.global.hayward.com/role/AccruedExpensesandOtherLiabilitiesScheduleofAccruedExpensesandOtherLiabilitiesDetails" xlink:type="simple" xlink:href="hayw-20260627.xsd#AccruedExpensesandOtherLiabilitiesScheduleofAccruedExpensesandOtherLiabilitiesDetails"/>
  <link:calculationLink xlink:role="http://www.global.hayward.com/role/AccruedExpensesandOtherLiabilitiesScheduleofAccruedExpensesandOtherLiabilitiesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_hayw_AccruedLiabilitiesAndOtherLiabilitiesCurrent_019e2cd7-f7e9-77ab-9d8b-ca6f56fe1266" xlink:href="hayw-20260627.xsd#hayw_AccruedLiabilitiesAndOtherLiabilitiesCurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_hayw_AccruedSellingPromotionalAndAdvertisingExpenseCurrent_019e2cd7-f7e9-7198-bfd2-ef750d2b8914" xlink:href="hayw-20260627.xsd#hayw_AccruedSellingPromotionalAndAdvertisingExpenseCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_hayw_AccruedLiabilitiesAndOtherLiabilitiesCurrent_019e2cd7-f7e9-77ab-9d8b-ca6f56fe1266" xlink:to="loc_hayw_AccruedSellingPromotionalAndAdvertisingExpenseCurrent_019e2cd7-f7e9-7198-bfd2-ef750d2b8914" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StandardProductWarrantyAccrualCurrent_019e2cd7-f7e9-7e22-b270-5dce1e63aefb" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StandardProductWarrantyAccrualCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_hayw_AccruedLiabilitiesAndOtherLiabilitiesCurrent_019e2cd7-f7e9-77ab-9d8b-ca6f56fe1266" xlink:to="loc_us-gaap_StandardProductWarrantyAccrualCurrent_019e2cd7-f7e9-7e22-b270-5dce1e63aefb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedInsuranceCurrent_019e2cd7-f7e9-74a3-ae91-77fffed14ee9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccruedInsuranceCurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_hayw_AccruedLiabilitiesAndOtherLiabilitiesCurrent_019e2cd7-f7e9-77ab-9d8b-ca6f56fe1266" xlink:to="loc_us-gaap_AccruedInsuranceCurrent_019e2cd7-f7e9-74a3-ae91-77fffed14ee9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_hayw_AccruedInventoryPurchasesCurrent_019e2cd7-f7e9-7179-b89e-27d74317fe45" xlink:href="hayw-20260627.xsd#hayw_AccruedInventoryPurchasesCurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_hayw_AccruedLiabilitiesAndOtherLiabilitiesCurrent_019e2cd7-f7e9-77ab-9d8b-ca6f56fe1266" xlink:to="loc_hayw_AccruedInventoryPurchasesCurrent_019e2cd7-f7e9-7179-b89e-27d74317fe45" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeRelatedLiabilitiesCurrent_019e2cd7-f7e9-727b-becc-c95d45f361e7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EmployeeRelatedLiabilitiesCurrent"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_hayw_AccruedLiabilitiesAndOtherLiabilitiesCurrent_019e2cd7-f7e9-77ab-9d8b-ca6f56fe1266" xlink:to="loc_us-gaap_EmployeeRelatedLiabilitiesCurrent_019e2cd7-f7e9-727b-becc-c95d45f361e7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_hayw_AccruedFreightCurrent_019e2cd7-f7e9-7594-84f2-89477dbfe563" xlink:href="hayw-20260627.xsd#hayw_AccruedFreightCurrent"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_hayw_AccruedLiabilitiesAndOtherLiabilitiesCurrent_019e2cd7-f7e9-77ab-9d8b-ca6f56fe1266" xlink:to="loc_hayw_AccruedFreightCurrent_019e2cd7-f7e9-7594-84f2-89477dbfe563" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedPayrollTaxesCurrent_019e2cd7-f7e9-7585-adfb-6caf90d842a3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccruedPayrollTaxesCurrent"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_hayw_AccruedLiabilitiesAndOtherLiabilitiesCurrent_019e2cd7-f7e9-77ab-9d8b-ca6f56fe1266" xlink:to="loc_us-gaap_AccruedPayrollTaxesCurrent_019e2cd7-f7e9-7585-adfb-6caf90d842a3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityCurrent_019e2cd7-f7e9-7741-afea-a7c323ec948a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingLeaseLiabilityCurrent"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_hayw_AccruedLiabilitiesAndOtherLiabilitiesCurrent_019e2cd7-f7e9-77ab-9d8b-ca6f56fe1266" xlink:to="loc_us-gaap_OperatingLeaseLiabilityCurrent_019e2cd7-f7e9-7741-afea-a7c323ec948a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccrualForTaxesOtherThanIncomeTaxesCurrent_019e2cd7-f7e9-7bc9-8774-3613d19768ae" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccrualForTaxesOtherThanIncomeTaxesCurrent"/>
    <link:calculationArc order="9" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_hayw_AccruedLiabilitiesAndOtherLiabilitiesCurrent_019e2cd7-f7e9-77ab-9d8b-ca6f56fe1266" xlink:to="loc_us-gaap_AccrualForTaxesOtherThanIncomeTaxesCurrent_019e2cd7-f7e9-7bc9-8774-3613d19768ae" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerLiabilityCurrent_019e2cd7-f7e9-7997-8ffc-ebf86dca92b2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ContractWithCustomerLiabilityCurrent"/>
    <link:calculationArc order="10" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_hayw_AccruedLiabilitiesAndOtherLiabilitiesCurrent_019e2cd7-f7e9-77ab-9d8b-ca6f56fe1266" xlink:to="loc_us-gaap_ContractWithCustomerLiabilityCurrent_019e2cd7-f7e9-7997-8ffc-ebf86dca92b2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedProfessionalFeesCurrent_019e2cd7-f7e9-7131-98c7-93fee56025d2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccruedProfessionalFeesCurrent"/>
    <link:calculationArc order="11" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_hayw_AccruedLiabilitiesAndOtherLiabilitiesCurrent_019e2cd7-f7e9-77ab-9d8b-ca6f56fe1266" xlink:to="loc_us-gaap_AccruedProfessionalFeesCurrent_019e2cd7-f7e9-7131-98c7-93fee56025d2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAccruedLiabilitiesCurrent_019e2cd7-f7e9-77b7-a64a-55fd811916e8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherAccruedLiabilitiesCurrent"/>
    <link:calculationArc order="12" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_hayw_AccruedLiabilitiesAndOtherLiabilitiesCurrent_019e2cd7-f7e9-77ab-9d8b-ca6f56fe1266" xlink:to="loc_us-gaap_OtherAccruedLiabilitiesCurrent_019e2cd7-f7e9-77b7-a64a-55fd811916e8" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.global.hayward.com/role/LongTermDebtNetScheduleofLongTermDebtDetails" xlink:type="simple" xlink:href="hayw-20260627.xsd#LongTermDebtNetScheduleofLongTermDebtDetails"/>
  <link:calculationLink xlink:role="http://www.global.hayward.com/role/LongTermDebtNetScheduleofLongTermDebtDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_hayw_DebtAndLeaseObligationGross_019e2cd7-f7e9-7b13-98e9-cb3ae8061e57" xlink:href="hayw-20260627.xsd#hayw_DebtAndLeaseObligationGross"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_019e2cd7-f7e9-7297-9259-c2105f1d32dd" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentCarryingAmount"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_hayw_DebtAndLeaseObligationGross_019e2cd7-f7e9-7b13-98e9-cb3ae8061e57" xlink:to="loc_us-gaap_DebtInstrumentCarryingAmount_019e2cd7-f7e9-7297-9259-c2105f1d32dd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLongTermDebt_019e2cd7-f7e9-7bfb-98b6-dc5f41537485" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherLongTermDebt"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_hayw_DebtAndLeaseObligationGross_019e2cd7-f7e9-7b13-98e9-cb3ae8061e57" xlink:to="loc_us-gaap_OtherLongTermDebt_019e2cd7-f7e9-7bfb-98b6-dc5f41537485" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiability_019e2cd7-f7e9-782a-a901-6bda2d2f7272" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinanceLeaseLiability"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_hayw_DebtAndLeaseObligationGross_019e2cd7-f7e9-7b13-98e9-cb3ae8061e57" xlink:to="loc_us-gaap_FinanceLeaseLiability_019e2cd7-f7e9-782a-a901-6bda2d2f7272" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.global.hayward.com/role/EarningsPerShareDetails" xlink:type="simple" xlink:href="hayw-20260627.xsd#EarningsPerShareDetails"/>
  <link:calculationLink xlink:role="http://www.global.hayward.com/role/EarningsPerShareDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_019e2cd7-f7e9-7890-9748-8594de81c195" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_019e2cd7-f7e9-7a72-ba5c-3db20b3b41d4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_019e2cd7-f7e9-7890-9748-8594de81c195" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_019e2cd7-f7e9-7a72-ba5c-3db20b3b41d4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment_019e2cd7-f7e9-730f-b2b7-677b21e0676e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_019e2cd7-f7e9-7890-9748-8594de81c195" xlink:to="loc_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment_019e2cd7-f7e9-730f-b2b7-677b21e0676e" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.global.hayward.com/role/LeasesScheduleofSupplementalBalanceSheetInformationDetails" xlink:type="simple" xlink:href="hayw-20260627.xsd#LeasesScheduleofSupplementalBalanceSheetInformationDetails"/>
  <link:calculationLink xlink:role="http://www.global.hayward.com/role/LeasesScheduleofSupplementalBalanceSheetInformationDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiability_019e2cd7-f8aa-72fe-aefb-20238a0489ad" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinanceLeaseLiability"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityCurrent_019e2cd7-f8aa-7214-af92-4aafeaa9d9ae" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinanceLeaseLiabilityCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiability_019e2cd7-f8aa-72fe-aefb-20238a0489ad" xlink:to="loc_us-gaap_FinanceLeaseLiabilityCurrent_019e2cd7-f8aa-7214-af92-4aafeaa9d9ae" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityNoncurrent_019e2cd7-f8aa-76cc-a722-e0ced2e80b10" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinanceLeaseLiabilityNoncurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiability_019e2cd7-f8aa-72fe-aefb-20238a0489ad" xlink:to="loc_us-gaap_FinanceLeaseLiabilityNoncurrent_019e2cd7-f8aa-76cc-a722-e0ced2e80b10" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseRightOfUseAsset_019e2cd7-f8aa-7584-b47f-b821d0e70a6d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinanceLeaseRightOfUseAsset"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseRightOfUseAssetBeforeAccumulatedAmortization_019e2cd7-f8aa-7468-be26-e4b24b892a25" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinanceLeaseRightOfUseAssetBeforeAccumulatedAmortization"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseRightOfUseAsset_019e2cd7-f8aa-7584-b47f-b821d0e70a6d" xlink:to="loc_us-gaap_FinanceLeaseRightOfUseAssetBeforeAccumulatedAmortization_019e2cd7-f8aa-7468-be26-e4b24b892a25" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseRightOfUseAssetAccumulatedAmortization_019e2cd7-f8aa-791f-b9f5-35a8d8014c0c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinanceLeaseRightOfUseAssetAccumulatedAmortization"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseRightOfUseAsset_019e2cd7-f8aa-7584-b47f-b821d0e70a6d" xlink:to="loc_us-gaap_FinanceLeaseRightOfUseAssetAccumulatedAmortization_019e2cd7-f8aa-791f-b9f5-35a8d8014c0c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiability_019e2cd7-f8aa-7749-8735-3641da8eb9ae" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingLeaseLiability"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityCurrent_019e2cd7-f8aa-72f3-9cba-03f73c0b41d6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingLeaseLiabilityCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingLeaseLiability_019e2cd7-f8aa-7749-8735-3641da8eb9ae" xlink:to="loc_us-gaap_OperatingLeaseLiabilityCurrent_019e2cd7-f8aa-72f3-9cba-03f73c0b41d6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_019e2cd7-f8aa-7281-b93d-57047d5f6138" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingLeaseLiabilityNoncurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingLeaseLiability_019e2cd7-f8aa-7749-8735-3641da8eb9ae" xlink:to="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_019e2cd7-f8aa-7281-b93d-57047d5f6138" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.global.hayward.com/role/AcquisitionsandRestructuringScheduleofAcquisitionandRestructuringRelatedExpenseDetails" xlink:type="simple" xlink:href="hayw-20260627.xsd#AcquisitionsandRestructuringScheduleofAcquisitionandRestructuringRelatedExpenseDetails"/>
  <link:calculationLink xlink:role="http://www.global.hayward.com/role/AcquisitionsandRestructuringScheduleofAcquisitionandRestructuringRelatedExpenseDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_hayw_AcquisitionAndRestructuringRelatedExpenseIncome_019e2cd7-f8aa-718e-b44e-135b68f23e28" xlink:href="hayw-20260627.xsd#hayw_AcquisitionAndRestructuringRelatedExpenseIncome"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessExitCosts1_019e2cd7-f8aa-7a15-a236-88293b2b9684" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessExitCosts1"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_hayw_AcquisitionAndRestructuringRelatedExpenseIncome_019e2cd7-f8aa-718e-b44e-135b68f23e28" xlink:to="loc_us-gaap_BusinessExitCosts1_019e2cd7-f8aa-7a15-a236-88293b2b9684" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_hayw_BusinessAcquisitionTransactionAndIntegrationRelatedCosts_019e2cd7-f8aa-755f-83b5-a3dac81ade43" xlink:href="hayw-20260627.xsd#hayw_BusinessAcquisitionTransactionAndIntegrationRelatedCosts"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_hayw_AcquisitionAndRestructuringRelatedExpenseIncome_019e2cd7-f8aa-718e-b44e-135b68f23e28" xlink:to="loc_hayw_BusinessAcquisitionTransactionAndIntegrationRelatedCosts_019e2cd7-f8aa-755f-83b5-a3dac81ade43" xlink:type="arc"/>
  </link:calculationLink>
</link:linkbase>
