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 What Is a 1031 Exchange? A look at 1031 Exchanges, a real estate investment strategy that may allow you to defer your capital gains taxes. 9 Facts About Social Security There are things about Social Security that might surprise you. Medicare Advantage 101 Overview of Medicare Advantage, what’s in them, special rules, and more.