New Hampshire Spousal Support
Calculator (2026)
New Hampshire uses a guideline formula for temporary spousal support and a multi-factor analysis for permanent support. Understand your eligibility, estimated amount, and likely duration under RSA 458:19-a.
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Free Spousal Support Calculator — New Hampshire
How Spousal Support Is Calculated in New Hampshire
Temporary support in New Hampshire is calculated using a guideline formula during the divorce proceedings to maintain the financial status quo.
The Formula
23% of gross income difference (post-TCJA); duration capped at 50% of marriage
Permanent (long-term) support in New Hampshire is determined by a statutory multi-factor analysis under RSA 458:19-a. The court weighs the following factors to arrive at a fair support amount and duration. Unlike the temporary formula, there is no mathematical calculation for permanent support — it is a discretionary determination by the judge based on the totality of the circumstances.
The types of spousal support available in New Hampshire include: Term, Reimbursement. The type ordered depends on the length of the marriage, each spouse's financial situation, and the supported spouse's ability to become self-supporting.
Primary statute: RSA 458:19-a
New Hampshire Spousal Support Factors (RSA 458:19-a)
The court considers these 3 statutory factors when determining the amount and duration of spousal support:
Sufficient income/property for reasonable needs
Payer can meet own needs while paying
Payee cannot become self-supporting
Spousal Support Duration in New Hampshire
50% of marriage length (statutory cap).
Duration is one of the most heavily litigated aspects of spousal support. The length of the marriage is the single most important factor in most cases, but the court also considers the supported spouse's age, health, job skills, and the time needed to acquire education or training for appropriate employment.
What Makes New Hampshire Spousal Support Unique
HAS A FORMULA: 23% of gross income difference.
Duration cap: 50% of marriage.
Lesser of payee need OR formula amount.
Reimbursement alimony also available.
Calculate Your New Hampshire Spousal Support
Find out if you qualify, how much you might receive (or pay), and for how long.
New Hampshire Divorce Procedure at a Glance
Residency Requirement
1-year residency required
Mandatory Waiting Period
None
No-Fault Ground
Irreconcilable differences
State Income Tax
NO STATE INCOME TAX (I&D tax repealed Jan 1, 2025).
In-Depth New Hampshire Divorce Guides
More New Hampshire Divorce Calculators
Frequently Asked Questions About New Hampshire Spousal Support
How is spousal support calculated in New Hampshire?
New Hampshire uses a formula for temporary spousal support: 23% of gross income difference (post-TCJA); duration capped at 50% of marriage For permanent support, the court applies a multi-factor analysis under RSA 458:19-a.
What types of spousal support are available in New Hampshire?
New Hampshire recognizes the following types of spousal support: Term, Reimbursement. The type awarded depends on the length of the marriage, the financial needs of the requesting spouse, and the ability of the other spouse to pay.
How long does spousal support last in New Hampshire?
50% of marriage length (statutory cap).
Can spousal support be modified in New Hampshire?
Yes. Spousal support orders in New Hampshire can generally be modified if there is a material change in circumstances, such as a significant change in either party's income, retirement, cohabitation of the supported spouse, or other qualifying events as defined by statute.
Know Your New Hampshire Spousal Support Number
Get a personalized spousal support analysis based on New Hampshire's actual statutory framework.
Start My Free New HampshireEstimate →This tool provides educational estimates based on New Hampshire family law and does not constitute legal advice. Spousal support calculations are estimates and may differ from court-ordered amounts. Consult a licensed New Hampshire family law attorney before making decisions. Primary statute: RSA 458:19-a.