Gabe O'Leary

US Marriage Tax Calculator

This tool was built entirely by lovable, an AI "superhuman full stack engineer", in February 2025 (and updated periodically since). You can read a bit about my experience using it here.

US Marriage Tax Calculator

Find out if you'll pay more or less in taxes when you get married. This calculator uses 2025 tax brackets and standard deductions.

Person 1

$
$

Using standard deduction: $15,050

2025 standard: $15,050 (single)

Person 2

$
$

Using standard deduction: $15,050

2025 standard: $15,050 (single)

Married Filing Jointly

Optimal Filing Method: Standard Deduction$30,100

2025 standard: $30,100 (married filing jointly)

Tax Comparison Results

Filing Separately

Person 1 Tax$8,094
Person 2 Tax$62,218
Combined Tax$70,311

Filing Jointly

Combined Income$355,000
Using Standard DeductionYes
Married Tax$63,643

Tax Difference

Getting married could save you money on taxes

$6,668

9.5% savings

This calculator uses 2025 tax brackets and is for illustrative purposes only. Consult a tax professional for advice specific to your situation.