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 Interested in a Fuel Efficient Car? Estimate how many months it may take to recover the out-of-pocket costs when buying a more efficient vehicle. Home Mortgage Deduction Use this calculator to assess the potential benefits of a home mortgage deduction. Stop Wasting Money One way to find money is to examine your current spending habits and eliminate money wasters.