New Hampshire Child Support Calculator

New Hampshire uses the income shares model. New Hampshire uses the income shares model under RSA 458-C. Both parents' gross incomes are combined, and each parent's obligation is proportional to their share of combined income. The guidelines provide for adjustments based on health insurance, childcare costs, and the parenting schedule. Support typically continues until the child is 18 or has graduated from high school, whichever occurs later (RSA 461-A:14, IV).

Gross income from all sources is typically used, including wages, salary, bonuses, commissions, self-employment income, rental income, investment income, Social Security benefits, unemployment benefits, and disability benefits. Courts may also impute income if a parent is voluntarily unemployed or underemployed.

Child support in New Hampshire generally continues until the child turns 18, or through high school graduation if the child is still in school. Some orders extend to age 19 or 21 depending on the state and circumstances (college support, special needs).

Yes, child support orders in New Hampshire can be modified when there is a substantial change in circumstances. Common reasons include significant income changes (job loss, promotion), changes in custody arrangement, changes in the child's needs, or changes in healthcare costs.

New Hampshire has enforcement mechanisms including wage garnishment, tax refund interception, license suspension (driver's and professional), bank account levies, contempt of court charges, and reporting to credit bureaus. Failure to pay can result in fines and jail time.