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 A Brief Guide To Condo Insurance Important items to consider when purchasing condo insurance. Exploring the Federal Student Grant Program In this article, explore the benefits of the Federal Student Grant Program. Risk Tolerance: What’s Your Style? Learn about what risk tolerance really means in this helpful and insightful video.