New Hampshire

Child Support in New Hampshire

How support is calculated, modified, and enforced — from guidelines to college expenses.

New Hampshire Divorce Law

Overview & Key Facts

New Hampshire Calculator

Run the Numbers

Find New Hampshire Attorney

Exclusive Partners

Child Support Guides for New Hampshire

Guide

How to Use the New Hampshire Child Support Calculator (2026 Guide)

Use the New Hampshire child support calculator to estimate payments under RSA 458-C. NH uses income shares model with 25.6% of net income for one child.

Antonio G. Jimenez, Esq.·16 min read

More New Hampshire Guides

The Divorce Process

2 guides

Property & Asset Division

1 guide

Child Custody & Parenting

1 guide

Alimony & Spousal Support

1 guide

Explore Other Topics

The Divorce Process Property & Asset Division Child Custody & Parenting Alimony & Spousal Support Special Circumstances Financial Planning Life After Divorce Practical Guides & Checklists Prenuptial & Postnuptial Agreements