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. Retirement and Quality of Life Asking the right questions about how you can save money for retirement without sacrificing your quality of life. Debt Stress There’s a link between debt and stress.