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 What Is My Current Cash Flow? Assess whether you are running “in the black” or “in the red” each month. How Compound Interest Works Use this calculator to better see the potential impact of compound interest on an asset. To Catch a Thief Having your identity stolen may result in financial loss plus the cost of trying to restore your good name.