New Hampshire Alimony Calculator
Estimate spousal support (maintenance) amount and duration in New Hampshire. Updated for 2026.
Last reviewed July 2026 · Free · Nothing you enter is stored
Statutory formula state
$0
estimated monthly spousal support ·
Educational estimate, not legal advice. Courts apply the statutory formula but can deviate.
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How alimony works in New Hampshire
New Hampshire has a statutory guideline formula: 23% of the paying spouse's gross income minus 23% of the receiving spouse's gross income.
Governing law: N.H. Rev. Stat. Ann. § 458:19-a — One of the few true statutory amount formulas: 23% of the difference between the parties' gross incomes, capped at need, from the 2019 alimony reform.
Frequently asked questions
How is alimony calculated in New Hampshire?
New Hampshire has a statutory guideline formula: 23% of the paying spouse's gross income minus 23% of the receiving spouse's gross income. See N.H. Rev. Stat. Ann. § 458:19-a.
How long does alimony last in New Hampshire?
Term alimony may not exceed 50% of the length of the marriage unless the parties agree or justice requires otherwise; presumptive termination at the payor's full Social Security retirement age (RSA 458:19-a).
What types of alimony does New Hampshire recognize?
New Hampshire recognizes: temporary, term, reimbursement. One of the few true statutory amount formulas: 23% of the difference between the parties' gross incomes, capped at need, from the 2019 alimony reform.
Is alimony taxable in New Hampshire?
For divorces finalized after 2018, federal law (TCJA) makes alimony non-deductible for the payer and non-taxable for the recipient. A few states differ for state income tax — confirm with a tax professional.
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