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 Required Reading: The Economic Report of the President The Economic Report of the President can help identify the forces driving — or dragging — the economy. Countering Counterfeit Currency Combating counterfeiting remains core to preserving the integrity of the nation’s money. Pullbacks, Corrections, and Bear Markets When the market experiences volatility, it may be a good time to review these common terms.