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 Behavioral Finance An amusing and whimsical look at behavioral finance best practices for investors. My Retirement Savings Estimate how long your retirement savings may last using various monthly cash flow rates. The Cost of Medical Care Learn about the risks of not having health insurance in this informative article.