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 Paying Off a Credit Card Enter various payment options and determine how long it may take to pay off a credit card. 4 Elements of an Estate Strategy Learn about the importance of having an estate strategy in this helpful and informative video. A Primer on Dividends A company's profits can be reinvested or paid out to the company’s shareholders as “dividends."