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 Leaving Your Lasting Legacy Want to do more with your wealth? You might want to consider creating a charitable foundation. 9 Facts About Social Security There are things about Social Security that might surprise you. Prevent a Rift: Money Tips for Newlyweds Couples may be able to head off many of the problems in a marriage that money can cause.