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 Question Thank you! Oops! Related Content The Five Basics of Financial Literacy How literate are you when it comes to your finances? Brush up with these five basics. Women on the Rise Explore the growing influence women wield over the economy with this handy infographic. To Catch a Thief Having your identity stolen may result in financial loss plus the cost of trying to restore your good name.