Alimony / Spousal Support Calculator

Estimate spousal support payments based on income, marriage duration, and other factors.

Jurisdiction context

Applies to

United States legal rules and public procedures. Local court, state, provincial, municipal, or prefectural variations may still apply.

Last reviewed

2026-03-06

Methodology

This page summarizes official public rules, regulator guidance, and standard procedure in United States. It is an educational screening resource, not individualized legal advice.

🔎 Official sources

🧭 Editorial review

Review process

Independent page review focuses on jurisdiction labeling, source-link checks, plain-language caution wording, and disclaimer consistency. Unless a page says otherwise, this is not a signed attorney opinion.

Source check

Official public sources are linked on the page where available and should be rechecked before filing, payment, or court action.

Update cadence

Review date shown on page: 2026-03-06. Earlier recheck is recommended for deadline-sensitive or regulator-updated topics.

Input

Calculation Method

Payer Annual Income ($)

Recipient Annual Income ($)

Marriage Duration (Years)

Number of Children

Payer Age

Recipient Age

Standard of Living

Custom Percentage (%)

Output

How to use Alimony / Spousal Support Calculator well

This section is here to make the page more useful in real legal prep, not just more readable.

Who this page is for

People organizing support-duration and support-capacity factors for settlement or court preparation.

What this page does not decide

This page does not determine entitlement, final amount, or what a judge considers equitable.

Verify before you rely on it

income records, tax treatment, and current living costs
marriage length, health, caregiving history, and earning-capacity facts
whether interim, rehabilitative, or long-term support is treated differently locally

Common mistakes

treating a worksheet as a formula guarantee
ignoring child-support interaction
using outdated income information after separation

Official source cross-check

Cross-check U.S. Code, United States Courts, and USA.gov before treating this page as a reliable planning reference.

Practical next step

Use the estimate to frame negotiation or disclosure review, then compare it with local family-court guidance.

How to use this tool