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 Inflation and Your Portfolio Even low inflation rates can pose a threat to investment returns. The Five Basics of Financial Literacy How literate are you when it comes to your finances? Brush up with these five basics. Critical Estate Documents Sound estate management includes creating financial and healthcare documents. Here's an inside look.