Child Support Calculator
Estimate monthly child support payments based on state guidelines and income.
State and Children Information
Parent Income Information
Paying Parent (Non-Custodial)
Receiving Parent (Custodial)
Additional Expenses
Estimated Child Support Payment
Calculation Breakdown
Additional Expenses Share
This calculation uses general guidelines. Each state has specific formulas, deviations, and factors that can significantly affect the final amount. Courts may deviate from guidelines based on special circumstances.
Important Disclaimer: This is a simplified estimate only. Actual child support orders are determined by courts using detailed state guidelines, worksheets, and consideration of many factors not included here. Consult with a family law attorney or your state's child support agency for accurate calculations.
Understanding Child Support Models
Income Shares Model (40 states)
Calculates the amount both parents would spend on children if living together, then divides proportionally based on income.
Percentage of Income Model (9 states)
Applies a percentage of the non-custodial parent's income based on number of children.
Melson Formula (3 states: DE, HI, MT)
Ensures parents' basic needs are met first, then applies percentages to remaining income.
Common Factors Affecting Support
- Parenting Time: More overnight visits may reduce support
- Additional Children: Other support obligations considered
- Healthcare Costs: Usually shared proportionally
- Childcare: Work-related childcare often added
- Special Needs: Extraordinary expenses may be included
- Income Caps: Some states cap income considered
- Minimum Orders: Most states have minimum support amounts
When Support May Deviate from Guidelines
- High-income cases above state caps
- Shared physical custody arrangements
- Children with special needs
- Educational expenses
- Travel costs for visitation
- Voluntary unemployment or underemployment