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 A Fruitful Retirement: Social Security Benefit Taking your Social Security benefits at the right time may help maximize your benefit. Financial Wellness on Your Path to Retirement Retirement is a significant milestone in life. Pursue financial wellness with these key strategies. Five Most Overlooked Tax Deductions Five overlooked tax deductions to help manage your tax bill.