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 A Checklist for When a Spouse or Parent Passes An overview of some fundamental steps when a loved one passes. Leaving Your Lasting Legacy Want to do more with your wealth? You might want to consider creating a charitable foundation. A Penny Saved is Two Pennies Earned Here are some simple and inexpensive energy-saving tips that may help you save money.