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 A Primer on Dividends A company's profits can be reinvested or paid out to the company’s shareholders as “dividends." Women on the Rise Explore the growing influence women wield over the economy with this handy infographic. What Smart Investors Know Savvy investors take the time to separate emotion from fact.