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 Trends in Charitable Giving Some people may want a more advanced gifting strategy that can maximize their gift and generate potential tax benefits. Insurance Needs Assessment: When You're Young and Single Even if you’re young and single, you should still consider protecting yourself. Saving for Retirement This calculator can help you estimate how much you may need to save for retirement.