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New Jersey · Checked October 23, 2026

New Jersey child support calculator

New Jersey works out child support with the income shares model. Here is what that means, what to gather and where to run the state's own calculator.

Open the official New Jersey calculator

How New Jersey calculates child support

Both parents' incomes are added together, the state's schedule gives the support a child would get if the parents lived together at that combined income, and each parent pays their share in proportion to their income. Most income shares states then adjust for health insurance, child care and, often, parenting time.

Use the official New Jersey calculator

New Jersey's schedule and adjustments are long and change when the state reviews its guidelines, so the most reliable estimate comes from the state's own tool: New Jersey child support: QuickCalc estimate.

What you will need

  • Both parents' gross monthly income.
  • The number of children in the case and any other children either parent supports.
  • Monthly cost of the children's health insurance and work-related child care.
  • The parenting-time schedule (overnights per year).

Frequently asked questions

How is child support calculated in New Jersey?

New Jersey uses the income shares model. Both parents' incomes are added together, the state's schedule gives the support a child would get if the parents lived together at that combined income, and each parent pays their share in proportion to their income.

Is there an official New Jersey child support calculator?

Yes. The state provides one: New Jersey child support: QuickCalc estimate.

Other states: child support calculator by state · Guides: child custody · divorce

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General information from New Jersey's guidelines and official sources, checked October 23, 2026. A judge can order a different amount; this is not legal advice. AmericanAttorneys.net is not a law firm.