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 Reviewing Your Life Insurance Needs Learn how the review process works and how it may help you better understand your Life Insurance. A Taxing Story: Capital Gains and Losses Understanding how capital gains are taxed may help you refine your investment strategies. Roth IRA for Kids Learn about the benefits and requirements of opening a Roth IRA for kids.