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 A Brief Guide To Condo Insurance Important items to consider when purchasing condo insurance. Why Medicare Should Be Part of Your Retirement Strategy How Medicare can address health care needs in your retirement strategy. 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.