Lifetime of Earnings Estimate how much you have the potential to earn during your working years. You are viewing this website at a small screen resolution which doesn't support calculators. Click here to view this calculator. Share | Have A Question About This Topic? Name Email Address Message Thank you! Oops! Related Content The Basics of Medicare Learn all about Medicare basics in this informative and insightful article. Infographic: Who Sits at Your Table? Infographic: Who Sits at Your Table? Federal Income Tax Use this calculator to estimate your income tax liability along with average and marginal tax rates.