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 The Utility of Sector Investing Successful sector investing is dependent upon an accurate analysis about when to rotate in and out. Please Leave Home Without It Concerns over identity theft continue to grow, especially with data breaches at major companies and financial institutions. Financial Strategies for Women Some may leave their future to chance but in the world of finance, the effects of the "confidence gap" can be apparent.