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’s Your Investment IQ? You make decisions for your portfolio, but how much do you really know about the products you buy? Try this quiz Lifetime of Earnings Estimate how much you have the potential to earn during your working years. What You Should Do About Insurance Following a Divorce In the face of divorce, making changes to insurance coverage may be overlooked.