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Marriage Tax Calculator

US federal 2026, both under 65, not blind/dependents, ordinary income only and basic standard deductions. Compares regular tax for two single filers versus married joint; excludes married-separate, credits, AMT, payroll and state taxes. Outputs are unrounded arithmetic values; return-specific and payroll rounding procedures are separate.

US federal 2026, both under 65, not blind/dependents, ordinary income only and basic standard deductions. Compares regular tax for two single filers versus married joint; excludes married-separate, credits, AMT, payroll and state taxes. Outputs are unrounded arithmetic values; return-specific and payroll rounding procedures are separate.

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Result

Enter your values and run the tool to see your result.

How to use this tool

Check the units, enter your values, and run the tool. Results follow the assumptions and method below.

Calculation method

Combined tax as two single filers(min(max((max(0,a-16100))-0,0),12400)*0.1+min(max((max(0,a-16100))-12400,0),38000)*0.12+min(max((max(0,a-16100))-50400,0),55300)*0.22+min(max((max(0,a-16100))-105700,0),96075)*0.24+min(max((max(0,a-16100))-201775,0),54450)*0.32+min(max((max(0,a-16100))-256225,0),384375)*0.35+max((max(0,a-16100))-640600,0)*0.37)+(min(max((max(0,b-16100))-0,0),12400)*0.1+min(max((max(0,b-16100))-12400,0),38000)*0.12+min(max((max(0,b-16100))-50400,0),55300)*0.22+min(max((max(0,b-16100))-105700,0),96075)*0.24+min(max((max(0,b-16100))-201775,0),54450)*0.32+min(max((max(0,b-16100))-256225,0),384375)*0.35+max((max(0,b-16100))-640600,0)*0.37)
Married joint rate-schedule taxmin(max((max(0,a+b-32200))-0,0),24800)*0.1+min(max((max(0,a+b-32200))-24800,0),76000)*0.12+min(max((max(0,a+b-32200))-100800,0),110600)*0.22+min(max((max(0,a+b-32200))-211400,0),192150)*0.24+min(max((max(0,a+b-32200))-403550,0),108900)*0.32+min(max((max(0,a+b-32200))-512450,0),256250)*0.35+max((max(0,a+b-32200))-768700,0)*0.37
Joint minus unmarried difference(min(max((max(0,a+b-32200))-0,0),24800)*0.1+min(max((max(0,a+b-32200))-24800,0),76000)*0.12+min(max((max(0,a+b-32200))-100800,0),110600)*0.22+min(max((max(0,a+b-32200))-211400,0),192150)*0.24+min(max((max(0,a+b-32200))-403550,0),108900)*0.32+min(max((max(0,a+b-32200))-512450,0),256250)*0.35+max((max(0,a+b-32200))-768700,0)*0.37)-(min(max((max(0,a-16100))-0,0),12400)*0.1+min(max((max(0,a-16100))-12400,0),38000)*0.12+min(max((max(0,a-16100))-50400,0),55300)*0.22+min(max((max(0,a-16100))-105700,0),96075)*0.24+min(max((max(0,a-16100))-201775,0),54450)*0.32+min(max((max(0,a-16100))-256225,0),384375)*0.35+max((max(0,a-16100))-640600,0)*0.37)-(min(max((max(0,b-16100))-0,0),12400)*0.1+min(max((max(0,b-16100))-12400,0),38000)*0.12+min(max((max(0,b-16100))-50400,0),55300)*0.22+min(max((max(0,b-16100))-105700,0),96075)*0.24+min(max((max(0,b-16100))-201775,0),54450)*0.32+min(max((max(0,b-16100))-256225,0),384375)*0.35+max((max(0,b-16100))-640600,0)*0.37)

References