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USA Alimony Calculator

Free spousal support estimator

New York Alimony Calculator

Use the calculator below — a free New York spousal support calculator built for spouses planning a New York divorce. Add your marriage length and both spouses’ gross incomes, and this divorce alimony calculator returns an estimated monthly payment and how long payments may last under New York guidelines, with the arithmetic shown step by step. No account, no paywall, and nothing is stored on our servers after your estimate is returned.

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Estimate your monthly alimony

Enter a few details to see an illustrative estimate. No personal information is stored or shared.

years
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$
Children Involved?

Lowers the estimate in states where child support is calculated first.

Estimates are illustrative and do not constitute legal advice.

Your results

Illustrative estimate only.

Estimated monthly payment

$0/ month

Enter your details above to see your estimate.

How long payments last

—

Enter your details to see the estimated term

Not applicable

One-time payout option (buyout)

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Total if paid monthly: —

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Monthly take-home income (after alimony & est. taxes)

Payer keeps—

Recipient has—

How marriage length changes the term (±1 year)

1 year shorter marriage:—

1 year longer marriage:—

Plain-English summary by role

If you are paying alimony (higher earner)

  • Enter incomes and marriage length above to see a plain-English summary of what you would pay, keep, and owe after taxes.

If you are receiving alimony (lower earner)

  • Enter incomes and marriage length above to see a plain-English summary of what you would receive, keep, and plan for.
Show step-by-step math & state law breakdown

Calculation notes

Enter your details above to see exactly which statutory formula or guideline was used for your state.

Based on

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Illustrative estimate only

Tax note: Per the 2017 Tax Cuts and Jobs Act (TCJA), alimony payments for divorces finalized after Dec 31, 2018, are no longer tax-deductible for the payer or taxable for the recipient.

Actual alimony awards vary by state, judge, and individual circumstances. Use this estimate as a starting point, not a final answer.

Family law methodology

How is Alimony Calculated in New York?

Alimony — also called spousal support or maintenance — is the payment one spouse makes to the other after divorce to close the gap between two households. New York does not follow a single American rule: it sets its own standard under N.Y. Dom. Rel. Law § 236(B)(6-a), and this page applies the state’s statutory approach rather than a national average.

In New York, spousal support is decided under a statutory standard — not a one-size-fits-all national formula. Lawmakers wrote the percentages, the caps and the duration tables straight into the code, so couples with similar incomes and a similar-length marriage usually end up with similar numbers. That is exactly what the estimator on this page encodes, and it is why two states can return very different answers to the same income and marriage facts.

Statutory formulaN.Y. Dom. Rel. Law § 236(B)(6-a)

New York applies a strict mathematical guideline.

New York applies the country’s most-cited maintenance formula. The guideline is the lesser of: 30% of the payor’s capped income minus 20% of the payee’s income, or 40% of combined income minus the payee’s income — and when the payor also pays child support, the first prong switches to 20% of the payor’s income minus 25% of the payee’s income. Payor income is capped at $241,000 (effective March 1, 2026); income above the cap is discretionary.

Because New York uses a formula, this calculator returns a precise point estimate or statutory band rather than a judgment call. The exact arithmetic is shown in the step-by-step math drawer of the calculator above.

Duration: Section 236(B)(6-a)(f) sets advisory terms: 15–30% of a marriage up to 15 years, 30–40% for 15–20 years, 35–45% for 20–25 years, 40–50% for 25–30 years, with lifetime maintenance possible for 30+ year marriages.

What courts weigh

One factor shapes the rest: child support is worked out first in most states, so it changes how much income is left over for spousal support. That is why this child support and alimony calculator includes a children toggle — switch it on and the estimate drops in the states whose formula accounts for child support.

Standard of living

The lifestyle the couple established during the marriage.

Income & earning capacity

Each spouse's current earnings, employability, and future potential.

Length of the marriage

Longer marriages support larger and longer-lasting awards.

Age & health

Both spouses' physical condition and realistic work horizon.

Contributions

Career sacrifices, homemaking, and support for the other’s education.

Children & custody

Child support is calculated separately and often lowers the income available for alimony.

Property division

The marital estate awarded to each spouse at divorce.

Tax treatment

Post-2018 TCJA rules: alimony is neither deductible nor taxable.

Example calculation

A standard income-disparity scenario

A 12-year marriage where the payer earns $120,000 and the recipient earns $40,000, with no children — calculated with New York’s actual rule:

Payer gross income$120,000 / yr
Recipient gross income$40,000 / yr
Length of marriage12 years
Children involvedNo
Estimated monthly payment$2,000 / month
Estimated duration32 months (2.7 years)

How the number was derived

• The Law: New York applies a statutory maintenance guideline (N.Y. Dom. Rel. Law § 236(B)(6-a)) — the lesser of two prongs. • The Math: Prong A: 30% × $120,000 − 20% × $40,000 = $28,000 per year. Prong B: 40% of combined income minus the payee’s income — 40% × $160,000 − $40,000 = $24,000 per year. The lesser is $24,000/year, or $2,000/month. Payor income is counted only up to the $241,000 statutory cap. • Tax Impact: No TCJA adjustment or child-support modifier applies to this calculation. • Duration: New York’s advisory term scales with the length of the marriage — about 22.5% of the marriage — giving 32 months for a 12-year marriage. Lifetime maintenance is possible for 30+ year marriages.

Settlement planning

Lump-Sum Alimony Buyouts & Post-Support Cash Flow in New York

Most New York support awards are agreed as a set of monthly payments — but the same money can be settled in one payment up front. That trade is called an alimony buyout: instead of writing a check every month for years, the payer hands over a single lump sum today, often by letting the recipient keep more of the house or more of a retirement account, so both spouses can move on cleanly. New York’s own amount and duration rules (N.Y. Dom. Rel. Law § 236(B)(6-a)) set how much is paid each month and for how long, and that monthly stream is the thing being bought out.

Why is one payment today worth less than adding up every future check? Because money in hand now can sit in a safe account and earn interest over the same years those checks would have arrived. This alimony buyout calculator shows the same payment stream at 3.5%, 4.5% and 6.0% — the higher the rate, the smaller today’s lump sum, and the wider the gap between “paid monthly” and “paid up front”. Taking the deal up front means accepting a lump sum spousal support payment today instead of years of monthly checks.

In the 12-year, $120,000 payer / $40,000 recipient scenario used above, the monthly checks add up to $64,000 over 32 months — but settled as one single payment today they are worth $60,203 at 4.5%, $61,019 at 3.5% or $59,007 at 6.0%. That difference is what a settlement is really negotiating: the payer pays less in total, and the recipient gets the money sooner.

After the estimated $2,000-per-month transfer, the payer keeps about $5,500 per month (55% of the combined post-transfer total) and the recipient has about $4,500 (45%). The question after support is the simple one: what does each household actually have left to live on? The take-home split shows both sides after estimated taxes and after the payment, and since 2019 alimony is neither taxable for the receiver nor deductible for the payer, every dollar moves across unchanged. Print the calculator above as a spousal support worksheet and the inputs, the step-by-step math and these settlement figures all come out together on one clean page.

Educational summary of New York law as of 2026. Statutes change; this is not legal advice. Consult a licensed attorney in your state for advice about your situation.

For a 50-state overview of divorce and family law rules, see theCornell Legal Information Institute’s table on divorce.

FAQ

Frequently asked questions about alimony in New York

How much alimony can I expect in New York?

Alimony in New York is not a fixed number — every calculation turns on both spouses’ incomes, the length of the marriage, earning capacity, age, health, and the standard of living the marriage supported. Use the estimator above as a starting point rather than a prediction, then talk to a New York family law attorney about how those factors apply to your facts.

How does the length of my marriage change the alimony estimate in New York?

Marriage length moves both the amount and the term. Shorter marriages generally produce short, rehabilitative awards meant to restore independence, while longer marriages support larger and longer-lasting — sometimes open-ended — support. Section 236(B)(6-a)(f) sets advisory terms: 15–30% of a marriage up to 15 years, 30–40% for 15–20 years, 35–45% for 20–25 years, 40–50% for 25–30 years, with lifetime maintenance possible for 30+ year marriages. Enter a few different marriage lengths in the calculator to see exactly how the New York rule responds before you anchor on a number.

Can a prenuptial agreement override alimony in New York?

Yes — a valid premarital agreement can waive, cap, or limit alimony years before any divorce is filed, and courts generally enforce well-drafted waivers. The agreement must be signed voluntarily with adequate financial disclosure (and, in many states, independent counsel); unconscionable terms or a signature obtained under pressure can be set aside. If your New York prenup addresses support, read it before you rely on this estimate — the contract controls the math.

What proof does the New York court need to reduce alimony for cohabitation?

Evidence of economics, not romance. Courts want to see that the household actually shares costs: a joint lease or deed, combined utility and grocery payments, commingled accounts, or contributions from the new partner that reduce the recipient’s living expenses. New York judges also weigh how long the arrangement has lasted and whether the couple holds itself out as a partnership. Keep documentation and file a motion to modify — support continues at the current amount until the court orders a change.

Can alimony be awarded after a short marriage?

It is possible but usually modest and short. New York courts look at need and ability to pay, and short marriages generally produce limited rehabilitative terms rather than long-term support — some states bar durational alimony entirely below a minimum marriage length. The calculator reflects that by returning a low or $0 estimate for very short marriages.

My spouse quit their job before filing for divorce — what happens in New York?

A deliberate drop in income rarely resets support. New York courts can impute earnings based on the job the spouse left, their work history, qualifications, and what the marriage’s standard of living required — and voluntary underemployment is weighed against the recipient’s actual need. Expect discovery into the departure: offer letters, severance terms, bank records, and, where the numbers warrant it, a forensic accountant. The safest move is documenting the change early rather than waiting for the first missed payment.