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 Saving Early & Letting Time Work For You The earlier you start pursuing financial goals, the better your outcome may be. Putting a Price Tag On Your Health Being healthy not only makes you feel good, it may also help you financially. Financially Savvy at Six Figures Help your clients with these practical steps to make the most of their six-figure income.