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 Message Thank you! Oops! Related Content Capital Gains Tax When Selling Your Home If your clients are buying or selling a home, use this to help them determine if they qualify for capital gains taxes. Filing Final Tax Returns for the Deceased The federal government requires deceased individuals to file a final income tax return. A Penny Saved is Two Pennies Earned Here are some simple and inexpensive energy-saving tips that may help you save money.