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 Managing Money as a Couple Keys to preparing to grow wealthy together. How Will Working Affect Social Security Benefits? Knowing the rules may help you decide when to start benefits. Making a Charitable Contribution There are benefits and limitations when you decide to donate stock.