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 The Lowdown on Those Free Credit Scores What’s the deal with your yearly free credit report? White Elephant Inheritance This article deals with how one might deal with a burdensome inheritance. RE: Retirement How does your ideal retirement differ from reality, and what can we do to better align the two?