Calculator Settings
Income
Choose how you'd like to enter income for each party — enter annual figures directly, or project from an hourly wage.
Payor (Obligor)
Payee (Recipient)
Child Support
Calculated under the Child Support Standards Act (CSSA). CSSA rate for 1 child: 17% of combined parental income up to the statutory cap.
Add-On Expenses (annual amounts — allocated pro-rata by income share)
$
Work-related child care costs
$
Child's health insurance premium
$
Out-of-pocket medical/dental/vision
$
Private school, tutoring, activities
Retroactivity & Arrears
Optional. Estimate retroactive support and arrears accrued between petition and order date. Arrears interest modeled at 9% simple annual interest (CPLR §5004).
Arrears and interest calculations are estimates only. Actual arrears depend on court findings, payment history, enforcement posture, and judicial discretion. Not legal advice.
Frequently Asked Questions
Common questions about how this calculator works.