Alimony Calculator - How Much Spousal Support Will You Pay?

Estimate monthly spousal support.

Estimated Monthly Support

$0.00

Based on income difference. Alimony varies significantly by state.

How to Use This Alimony Calculator

  1. Enter the payer's monthly income — Input the higher-earning spouse's gross monthly income from all sources.
  2. Enter the recipient's monthly income — Input the lower-earning spouse's gross monthly income.
  3. Enter years married — Longer marriages typically result in higher support amounts and longer duration.
  4. Click Calculate — See your estimated monthly spousal support obligation based on the income difference.

Understanding Your Alimony Estimate

This calculator applies a percentage of the income difference as an estimate. Here is what affects actual alimony awards:

  • Marriage duration: Short marriages (under 5 years) often receive limited or no alimony. Long marriages (15+ years) may result in permanent support.
  • State laws: Some states have alimony guidelines while others give judges broad discretion. Florida uses a formula; New York considers 20 factors.
  • Standard of living: Courts aim to maintain the marital standard of living for both parties when financially feasible.
  • Earning capacity: If the recipient has been out of the workforce, courts consider their ability to become self-supporting.

Frequently Asked Questions

How long does alimony typically last?

Alimony duration generally correlates with marriage length. For marriages under 5 years, support may last 1-2 years. For 10-year marriages, 5-7 years is common. Marriages exceeding 15-20 years may result in permanent or long-term alimony. Many states cap duration at 50% of the marriage length.

What factors do courts consider for alimony?

Courts evaluate numerous factors: each spouse's income and earning capacity, marriage duration, age and health of both parties, marital standard of living, each spouse's financial needs and obligations, contributions as a homemaker, child custody arrangements, and each spouse's separate property.

Can alimony be modified after the divorce?

Yes. Alimony can typically be modified if there is a significant change in circumstances: loss of job, substantial income change, remarriage, cohabitation, retirement, or disability of either party. Modifications require court approval and are not automatic.

Is alimony tax deductible?

For divorce agreements executed after December 31, 2018, alimony payments are not tax deductible for the payer and not taxable income for the recipient under the Tax Cuts and Jobs Act. For older agreements, the previous tax rules may still apply.

State-by-State Alimony Differences

Alimony laws vary significantly by jurisdiction. California has no set formula but considers 14 factors including marriage length and standard of living. Texas only awards alimony in limited circumstances after marriage of 10+ years. Florida uses a guideline formula based on income difference and marriage duration. New York applies a statutory formula using the income cap. Always consult a local attorney for state-specific guidance.