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 Question Thank you! Oops! Related Content What is the Value of Your Business? Ascertaining the value of your business is important for a variety of reasons. How to Read Your Credit Report Solve a mystery while learning how important your credit report is with this story-driven interactive. Safeguard Your Digital Estate If you died, what would happen to your email archives, social profiles and online accounts?