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 Inflation and Your Portfolio Even low inflation rates can pose a threat to investment returns. Will Power Preparing for the eventual distribution of your assets may not sound enticing. But a will puts the power in your hands. How Big is Money? Learn a little about worldwide currency in this fun infographic