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 Retirement Questions That Have Nothing to Do With Money Things to consider before retirement. Eight Mistakes That Can Upend Your Retirement There are common mistakes you can avoid when saving for retirement. How to Conquer the World - 5 Financial Strategies for Savvy Learn more about women taking control of their finances with this infographic.