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 A Penny Saved is Two Pennies Earned Here are some simple and inexpensive energy-saving tips that may help you save money. Social Media: #NewestBusinessLiabilityRisk Social media may be a modern imperative for businesses looking to grow and build their brand, but it also introduces risk. Getting a Head Start on College Savings A few strategies that may help you prepare for the cost of higher education.