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 Conquering Retirement Challenges for Women Looking ahead can help you conquer these unique obstacles. Inflation & Your Money It's important to understand how inflation is reported and how it can affect investments. What Is My Current Net Worth? Use this calculator to estimate your net worth by adding up your assets and subtracting your liabilities.