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. Related Content You Would Rather Be... Are you a thrill seeker, or content to relax in the backyard? Use this flowchart to find out more about your risk tolerance. The Richest Man in Babylon In good times and bad, consistently saving a percentage of your income is a sound financial practice. Assess Life Insurance Needs How to help determine life insurance needs to provide for your family after you pass away.