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 Acres of Diamonds In life it often happens that the answers to our most pressing questions are right in our own backyards. A Living Trust Primer Living trusts are popular, but their appropriateness will depend upon your individual needs and objectives. How to Read Your Credit Report Solve a mystery while learning how important your credit report is with this story-driven interactive.