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 Is My Current Cash Flow? Assess whether you are running “in the black” or “in the red” each month. The Cycle of Investing Understanding the cycle of investing may help you avoid easy pitfalls. Home Mortgage Deduction Use this calculator to assess the potential benefits of a home mortgage deduction.