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 Making a Charitable Gift Did you know that there are benefits and limitations when you decide to donate stock? Learn more about your options. Replacing Your Medicare Card Learn how to replace your lost, stolen, or damaged Medicare card in this helpful article. The Basics of Medicare Learn all about Medicare basics in this informative and insightful article.