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 U.S. Personal Savings Rate What can be learned from the savings rate? Conquering Retirement Challenges for Women Looking ahead can help you conquer these unique obstacles. Understanding Equity Compensation Net Unrealized Appreciation and how it affects tax responsibilities.