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 Test Your Life Insurance Knowledge How much do you know about one of the most important tools you have to help protect your and your family’s financial future? SECURE Act 2.0: An Overview The second iteration of the SECURE Act brings forward several changes to the world of retirement. Catch-Up Contributions Workers 50+ may make contributions to their qualified retirement plans above the limits imposed on younger workers.