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 Impact of Taxes and Inflation Estimate the potential impact taxes and inflation can have on the purchasing power of an investment. What If Your Kids Decide Against College? Rising college costs prompt students to seek alternatives; 529 account funds can be used for other education options. Tax Efficiency in Retirement What role would taxes play in your investment decisions?