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USUSAUpdated for 2026legal

US Child Support Guidelines & Income Shares Calculator 2026

Calculate statutory monthly child support obligations using the Income Shares Model utilized by over 40 US states, factoring in both parents' gross incomes, child healthcare, daycare costs, and parenting time.

Family & ChildrenLegal & Corporate ComplianceSalaries & Monthly Wages
Calculated Result

Monthly Child Support Payment Owed

$1,772.22

Calculator Inputs

$
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$
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Monthly Child Support Payment Owed

$1,772.22

Annualized Child Support Total

$21,266.64

Paying Parent Share of Income

61.1 %

Combined Basic Support Obligation

$2,250

Total Obligation (Incl. Daycare & Healthcare)

$2,900

Combined Monthly Parental Gross Income

$9,000

The Income Shares model calculates support based on the premise that children should receive the same proportion of parental income as if parents lived together in an intact household.

Official Statute: Child Support Enforcement Act (42 U.S.C. § 667 & 45 CFR § 302.56 - Guidelines for Setting Child Support Awards)Last Verified: 2026-09-04

Calculation Methodology

Combined Monthly Income = Parent A Monthly Gross + Parent B Monthly Gross. Non-Custodial Income Share % = Parent A Income / Combined Income. Basic Child Support Obligation = Base Schedule Table %. Total Obligation = Basic + Health Insurance + Daycare. Non-Custodial Monthly Payment = Total Obligation * Non-Custodial Share %.

Frequently Asked Questions

Used in the majority of US states, the Income Shares model combines both parents' net or gross incomes to determine a total baseline child support obligation from state economic tables. Each parent is responsible for a pro-rata share of this obligation in proportion to their percentage of combined income.

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