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 The Pre-Retirement Checklist This checklist can give you a quick snapshot of how prepared you are. Term vs. Permanent Life Insurance When considering life insurance, it's important to understand your options. A Primer on Dividends A company's profits can be reinvested or paid out to the company’s shareholders as “dividends."