skip navigation Smaller text size Reset text size Larger text size
Families & Children Women Teens Adults Seniors People with Disabilities
DHHS Home > Bureau of Child Support Services >
Child Support Calculator


The Child Support Guidelines Calculator provides an estimate of a child support obligation based upon your current financial situation. It is not a guarantee of the actual amount that will be calculated by the court in accordance with NH Statutes and Administrative Rules.

In addition, the estimate is neither a recommendation nor an endorsement to the court by DHHS nor is DHHS bound by the estimate.

For additional information regarding NH Child Support Guidelines or the procedures for the establishment or modification of a child support obligation, contact the Central Information Unit (CIU) by calling 1-800-852-3345 ext. 4427 or 603-271-4427, or by sending an email to

Entering income amounts that exceed $226,009 per month, when combined, will result in a “Child Support Calculator Error”. If your total combined monthly adjusted gross income is greater than $226,009 per month, contact the CIU using the contact information listed above.

Go to the Calculator

Translate this page


New Hampshire Department of Health and Human Services
129 Pleasant Street | Concord, NH | 03301-3852

copyright 2016. State of New Hampshire