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 Data Breach: Your Security To-Do List This article provides a checklist of steps to take if you experience a data breach. Risk Tolerance: What’s Your Style? Learn about what risk tolerance really means in this helpful and insightful video. Prevent a Rift: Money Tips for Newlyweds Couples may be able to head off many of the problems in a marriage that money can cause.