New Jersey Child Support Calculator

How New Jersey sets child support

New Jersey sets child support by the weekly income shares method under N.J.S.A. 2A:34-23(a). The rule has been in force since June 1, 2026.

Coverage

Calculated by the support engine

Method

weekly income shares

Source

N.J.S.A. 2A:34-23(a); N.J. Court Rules R. 5:6A and Appendix IX-A through IX-I (Child Support Guidelines); Appendix IX-F schedule revised July 31, 2025 eff. Sept. 1, 2025 (Quadrennial Review); IX-A/IX-B/IX-E/IX-H amended Mar. 31, 2026 eff. June 1, 2026

In force from

June 1, 2026

Rule version

2026-06-01

Inputs it needs

Parent A net weekly, Parent B net weekly, Children, Primary residence parent

Optional inputs

Par overnights, Childcare weekly, Health insurance weekly, Unreimbursed health weekly, Extraordinary weekly, Par paid supplements weekly, Has other dependents, Ppr household net weekly, Ppr household size

Rule details as of 2026-10-25. The calculator above reads the current rule. Where the rule gives no formula, no figure is shown.