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 Should I Invest in Gold? Learning more about gold and its history may help you decide whether it has a place in your portfolio. Stay Safe with a B.O.P. At Your Back Learn about the advantages of Business Owner Policies with this highly educational and fun animated video. Saving for College 101 Here’s a crash course on saving for college.