US Federal Marriage Tax Comparison Calculator
Compare joint ordinary-income schedule tax with two single-filer estimates for the same year.
Your result
FINANCIALEnter your values and select calculate.
On this page How it works & practical examples
How to use the US Federal Marriage Tax Comparison Calculator
Use two comparable ordinary-income amounts and the same tax year. All three estimates assume eligible basic standard deductions, no dependents and no other adjustments.
The calculation
Worked example
At $60,000 and $0 income in 2026, basic-standard joint schedule tax is $2,840 versus $5,020 combined single tax, a −$2,180 difference.
Assumptions and limits
Scenario comparison only; it does not determine filing eligibility or advise a filing status. Credits, itemization, community-property rules, capital gains and state marriage effects are excluded.
Common questions
Which inputs should I use?
Use two comparable ordinary-income amounts and the same tax year. All three estimates assume eligible basic standard deductions, no dependents and no other adjustments.
What does the result exclude?
Scenario comparison only; it does not determine filing eligibility or advise a filing status. Credits, itemization, community-property rules, capital gains and state marriage effects are excluded.