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. Bull and Bear Go To Market Learn about the difference between bulls and bears—markets, that is! Home Mortgage Deduction Use this calculator to assess the potential benefits of a home mortgage deduction.