FamilyLawFinder

New Hampshire Child Support Calculator

Live Calculator

Income-shares model based on combined adjusted gross income and number of children; adjusted gross is gross income minus FICA, federal/state income taxes, and mandatory retirement; each parent's obligation prorated by income share; adjusted for parenting schedule and add-ons.

How New Hampshire Calculates Support

Model:Income Shares
Income Basis:net (adjusted gross)
Formula:Income-shares model based on combined adjusted gross income and number of children; adjusted gross is gross income minus FICA, federal/state income taxes, and mandatory retirement; each parent's obligation prorated by income share; adjusted for parenting schedule and add-ons.

What You'll Need

  • Number Of Children On Order*
  • Parent A Income*
  • Parent B Income*
  • Custody Type Or Worksheet Selection*
  • Other Child Support Or Dependents Adjustment
  • Spousal Support Adjustment
  • Parenting Time Input
  • Work Related Childcare Costs
  • Child Health Insurance And Uninsured Medical

* Required fields — optional items shown in gray