Federal Income Tax Use this calculator to estimate your income tax liability along with average and marginal tax rates. You are viewing this website at a small screen resolution which doesn't support calculators. Click here to view this calculator. Have A Question About This Topic? Name Email Address Message Thank you! Oops! Related Content Lifetime of Earnings Estimate how much you have the potential to earn during your working years. The Real Cost of a Vacation Home What if instead of buying that vacation home, you invested the money? A Home Insurance Claim: To File Or Not To File Learn when it may not make sense to file a claim on your home insurance.