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 Retirement Plan Detectives A couple become Retirement Plan Detectives, searching records from old employers. A Primer on Dividends A company's profits can be reinvested or paid out to the company’s shareholders as “dividends." How Financial Professionals Are Compensated Read this overview to learn how financial advisors are compensated.