Marriage Tax Calculator
See if marriage will result in a tax "bonus" or a "penalty" by comparing joint filing to filing as two single individuals.
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Who Pays a Tax Penalty?
A penalty often occurs when both partners have high, relatively equal incomes. Because the tax brackets for married couples are not always exactly double the single brackets (especially at the highest levels), combined income can push the couple into a higher marginal tax rate than they would face individually.
The Child Tax Credit
The presence of children can further complicate the calculation. For 2024, the Child Tax Credit is up to $2,000 per qualifying child. Filing jointly may allow a couple to claim the credit if their combined income stays below the $400,000 phase-out limit.