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 It Was the Best of Times, It Was the Worst of Times All about how missing the best market days (or the worst!) might affect your portfolio. Consider Keeping Your Life Insurance When You Retire Reasons to retain your coverage into your retirement years. Year-End Charitable Gifting and You This article may help you maximize the benefits of your donation for your chosen charity.