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 A Look at Whole Life Insurance Whole life insurance remains in force as long as you remain current with premiums. Here's how it works. Five Most Overlooked Tax Deductions Five overlooked tax deductions to help manage your tax bill. Types of Stock Market Analysis Most stock market analysis falls into three broad groups: Fundamental, technical, and sentimental. Here’s a look at each.