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 Where Is the Market Headed? We all know the stock market can be unpredictable. We all want to know, “What’s next for the financial markets?” The Half Million Dollar Baby The true cost of raising a child may be far more than you expect. How to Effectively Budget as a Couple Be sure that you agree on how to go about combining your finances as a couple before discussing how you'll handle expenses.