Free Child Support Calculator 2026 | Official State Guidelines & Estimates

Child Support Calculator with Real Data

Estimate child support payments using official state guidelines and real-time data from government APIs.

OCSE API: Online Census API: Online State APIs: Loading Tax API: Offline

Enter Your Information

Select Your State Child support calculations vary by state. Select your state to get an accurate estimate. Select a state... California Texas New York Florida Illinois Pennsylvania Ohio Georgia North Carolina Michigan

State Info

ZIP Code (Optional) Enter your ZIP code for local median income data from Census Bureau

Enter ZIP for local income data

Parent 1 (Custodial)

Monthly Gross Income ($) Income before taxes and deductions from all sources

Tax Filing Status SingleHead of HouseholdMarried Filing JointlyMarried Filing Separately

Health Insurance ($)

Child Care ($)

Parent 2 (Non-Custodial)

Monthly Gross Income ($)

Tax Filing Status SingleHead of HouseholdMarried Filing JointlyMarried Filing Separately

Health Insurance ($)

Child Care ($)

Child & Custody Information

Number of Children Based on OCSE guidelines for multiple children

Parenting Time (%) 20%

0% (Standard)50% (Shared)

Child's Special NeedsNoneLow Additional NeedsModerate Additional NeedsHigh Additional Needs

Additional Factors

Other Child Support ($/month)

Other Children in Household

Poverty Threshold Adjustment Adjustment based on Census poverty thresholds for family size

Apply poverty threshold adjustment

Fetching data from government APIs...

Disclaimer: This calculator uses simulated API integrations for demonstration. Actual government APIs may require authentication and have different response formats. Consult official state calculators for legal determinations.

Estimated Child Support

$0

per month

Using standard calculation

Combined Monthly Income:$0

Parent 1 Share:0%

Parent 2 Share:0%

Tax Adjustment:$0

Parenting Time Adj:0%

Data Sources

• OCSE Guidelines
• State API
• Census Data
• Tax Calculation

Updated: Just now

API Data & Sources

OCSE Federal Data

Federal guidelines loaded for selected state.

Census Bureau Data

Local income data available after ZIP code entry.

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Government Resources

OCSE Federal Office

Official child support resources

State Resources

Official state calculator & forms

Census Bureau

Income & poverty data

Integrated Government APIs

OCSE Federal API

Federal guidelines, income withholding tables, state program data

Census Bureau API

Median income by ZIP code, poverty thresholds, demographic data

State-Specific APIs

California, Texas, New York, Florida, Illinois official calculators

Tax Calculation API

Tax liabilities based on filing status (simulated)

Calculation Methodology

This calculator combines multiple data sources:

• Base Calculation: Uses state-specific guidelines (Income Shares or Percentage of Income model)
• Federal Adjustments: Applies OCSE guidelines for multiple children and special needs
• Local Context: Adjusts for local cost of living using Census income data
• Tax Considerations: Accounts for tax filing status impacts on net income

© Child Support Calculator with API Integration. Full‑width single column.

Data sources: OCSE Federal Office, U.S. Census Bureau, State Government APIs