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 Does Your Credit Score Affect Your Insurance Rates? Your credit score may influence how much you pay for auto and home insurance. How to Appeal Your Property Taxes For homeowners who think their property taxes are too high, there are ways to appeal. Insurance Needs Assessment: When You're Young and Single Even if you’re young and single, you should still consider protecting yourself.