Alimony Calculator
Calculate estimated spousal support (alimony) using standard legal formulas. Factor in income differences, marriage duration, and jurisdictional rules.
Alimony Calculator
Estimate spousal support using standard legal formulas.
How to Use Alimony Calculator in 3 Easy Steps
1
Step 1
Enter the annual gross income of the higher-earning spouse.
2
Step 2
Enter the annual gross income of the lower-earning spouse.
3
Step 3
Input the total duration of the marriage in years.
Frequently Asked Questions
For divorces finalized after January 1, 2019, alimony is not tax-deductible for the payer nor taxable for the recipient on a federal level in the U.S.
The duration often depends on the length of the marriage. A common rule is that alimony lasts for 30% to 50% of the length of the marriage, but it can be permanent for very long unions.
It is a common formula: (40% of higher earner income) - (50% of lower earner income).