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 How the Federal Reserve Works Each day, the Fed is behind the scenes supporting the economy and providing services to the U.S. financial system. Leaving Your Lasting Legacy Want to do more with your wealth? You might want to consider creating a charitable foundation. Exit Strategies of the Rich and Famous Estate conservation is too important to put off. Do you have a smart exit strategy?