Federal Income Tax Calculator 2026

For single filers: 10% up to $11,600, 12% up to $47,150, 22% up to $100,525, 24% up to $191,950, 32% up to $243,725, 35% up to $609,350, and 37% above that.

The standard deduction is $14,600 for single filers, $29,200 for married filing jointly, and $21,900 for head of household. If your itemized deductions exceed this, you should itemize instead.

Your marginal rate is the percentage applied to your last dollar of income. Your effective rate is your total tax divided by total income — it's always lower because lower brackets apply to your first dollars of income.