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 Investments You’ve made investments your whole life. Work with us to help make the most of them. Deciding When to Take Social Security One of the most common questions people ask about Social Security is when they should start taking benefits. Budget Check Up: Tax Time Is the Right Time Tax preparation may be the perfect time to give the household budget a check-up.