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 Year-End Charitable Gifting and You This article may help you maximize the benefits of your donation for your chosen charity. What It Takes to Become an Accredited Investor What does it take to be an accredited investor? Explore the details, & the types of investments offered to those who qualify. What You Need to Know About Social Security Every so often, you’ll hear about Social Security benefits running out. But is there truth to the fears, or is it all hype?