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 Charitable Giving: Smart from the Heart Do you have causes that you want to support with donations? The Junk Drawer Approach to Investing It's easy to let investments accumulate like old receipts in a junk drawer. Do Your Kids Know The Value of a Silver Spoon? You taught them how to read and how to ride a bike, but have you taught your children how to manage money?