Tax Calculator

Question 1

Is this calculator accurate?

Accepted Answer

Provides a close estimate—actual tax may vary based on credits, deductions, and filing status.

Question 2

What tax year is this?

Accepted Answer

Uses 2024 US federal tax brackets for most current estimate.

Question 3

Does this include state tax?

Accepted Answer

No—this calculates federal income tax only. Add state taxes separately.

Question 4

What's the difference between marginal and effective rate?

Accepted Answer

Marginal rate is highest bracket you hit—effective rate is total tax divided by income.

Question 5

Can I deduct 401k contributions?

Accepted Answer

Yes—subtract 401k/IRA contributions from income before calculating taxable income.

Free Tax Calculator - Federal Income Tax Estimator