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 An Arm and a Leg A visit to the hospital can be painful, for both your body and your wallet. Don’t let it be more painful than it has to be. To Catch a Thief Having your identity stolen may result in financial loss plus the cost of trying to restore your good name. The Business Cycle Understanding the economy's cycles can help put current business conditions in better perspective.