US Federal Income Tax & Marginal Bracket Calculator
Calculate your exact US federal income tax, effective tax rate, and marginal bracket based on IRS tax tables and filing status.
Calculation Inputs
Calculation Results
📊
Enter inputs on the left and click Calculate to view results.
Formula & Methodology
Taxable Income = Gross Income - Standard/Itemized Deductions - 401(k) Pre-tax Contributions
Applies IRS progressive tax brackets (10%, 12%, 22%, 24%, 32%, 35%, 37%) to taxable income.
Frequently Asked Questions
What is the 2024 single standard deduction?
The standard deduction for Single filers in 2024 is $14,600 ($29,200 for Married Filing Jointly).