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 Saving for College This calculator can help you estimate how much you should be saving for college. When Heirs are Imperfect The money problems or bad lifestyle habits of adult children could lead to the squandering of any inheritance they receive. Home Mortgage Deduction Use this calculator to assess the potential benefits of a home mortgage deduction.