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 What If Your Kids Decide Against College? Rising college costs prompt students to seek alternatives; 529 account funds can be used for other education options. Understanding Equity Compensation Net Unrealized Appreciation and how it affects tax responsibilities. 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.