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 Should You Invest in Exchange Traded Funds? There are thousands of ETFs available. Should you invest in them? Countering Counterfeit Currency Combating counterfeiting remains core to preserving the integrity of the nation’s money. How Compound Interest Works Use this calculator to better see the potential impact of compound interest on an asset.