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Child Support in Rhode Island

Free calculator, modification rules, arrears interest, and 50/50 custody guide for Rhode Island — 2026.

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Child Support Calculator
Estimate payments using Rhode Island's Income Shares
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Modification Checker
Does your income change qualify?
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Arrears Calculator
Past-due support with 12% interest
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50/50 Custody Guide
Does equal custody eliminate support?

Rhode Island Child Support Facts — 2026

Formula modelIncome Shares
Income basisBoth parents' income
Support ends at age18
Modification threshold10% income change
Arrears interest rate12% per year
Official agencyRhode Island Child Support Agency ↗
Rhode Island uses Income Shares. Courts may order support through college.

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