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 Making a Charitable Contribution There are benefits and limitations when you decide to donate stock. What's So Great About a Rollover? Making a career move requires tough decisions, not the least of which is what to do with the funds in your retirement plan. Working With A Financial Professional A financial professional is an invaluable resource to help you untangle the complexities of whatever life throws at you.