Free Child Support Calculator
Estimate monthly support by state — no login required
Educational estimate — not legal advice. This tool approximates state guideline formulas to help you plan. It is not an official worksheet and does not implement every jurisdiction-specific deduction or credit. For your official obligation, consult a family-law attorney in your state.
Child Support Calculator
Educational planning estimate; not an official child-support worksheet
Not ready for filing or legal reliance.
This estimate does not yet implement official state worksheets, all credit categories, or jurisdiction-specific deductions. Use it only for planning conversations until legal review supplies worksheet-backed formulas.
50% = equal custody, 100% = sole custody
Salary, wages, self-employment, bonuses
The parent with less custody time typically pays support
Annual cost of children's health insurance coverage
Daycare, after-school care, summer programs
Tutoring, sports, medical co-pays, camps
Select a state to calculate
Each state uses different guidelines
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