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 Inflation and Your Portfolio Even low inflation rates can pose a threat to investment returns. An Overview of Renter’s Insurance Don’t overlook the need for renter’s insurance if you rent your home. Women and Financial Strategies Most women don’t shy away from the day-to-day financial decisions, but some may be leaving their future to chance.