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 The Other Sure Thing Though we don't like to think about it, all of us will make an exit sometime. Are you prepared? Exploring the Federal Student Grant Program In this article, explore the benefits of the Federal Student Grant Program. The Economic Journey of Your Morning Coffee Few contemplate the complex journey that brought their coffee from farm to kitchen table.