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 How to Retire Early Retiring early sounds like a dream come true, but it’s important to take a look at the cold, hard facts. The Real Cost of a Vacation Home What if instead of buying that vacation home, you invested the money? The Five Basics of Financial Literacy How literate are you when it comes to your finances? Brush up with these five basics.