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 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 Tax Rules When Selling Your Home The tax rules governing profits you realize from the sale of your home have changed in recent years. A Meal for All Generations When it comes to generational differences, knowing the facts can be difficult.