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 How Boomers and Millennials Differ The YOLO Economy is a focus on experiences over material possessions, prompting Boomers to consider a similar mindset. Social Security: The Elephant in the Room Some people wonder if Social Security will remain financially sound enough to pay the benefits they are owed. Lifetime of Earnings Estimate how much you have the potential to earn during your working years.