Filing jointly but want to know who owes what? Calculate a fair tax split that accounts for progressive tax brackets so neither spouse is penalized for earning more or less.
Add each person's total annual income from all sources
Enter your total joint tax bill and withholding amounts
See each person's fair share based on marginal tax contribution
Know exactly who owes whom and how much
See results update in real-time as you enter your information. No waiting for a "Calculate" button.
Your progress is automatically saved. Come back anytime and pick up where you left off.
Optionally add W-2, business, and passive income details for more accurate tracking.
Handle self-employment tax separately so business owners pay their fair share.
Use real names instead of "Spouse A" and "Spouse B" for clearer results.
Create an account to save calculations and access them from any device.
See how the fair tax split works with a simple example
Settlement
Jordan pays Alex $2,500
Alex owes $3,000, Jordan gets $2,000 back. To equalize: ($3,000 + $2,000) / 2 = $2,500
Get your personalized tax split calculation in just a few minutes.
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