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 Question Thank you! Oops! Related Content What’s Your Investment IQ? You make decisions for your portfolio, but how much do you really know about the products you buy? Try this quiz How Retirement Spending Changes With Time It can be difficult for clients to imagine how much they’ll spend in retirement. This short, insightful article is useful. Data Thieves from Outer Space Learn about the dangers of internet fraud with this highly educational and fun “pulp” comic.