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. Have A Question About This Topic? Name Email Address Message Thank you! Oops! Related Content Retirement Plan Detectives A couple become Retirement Plan Detectives, searching records from old employers. Conquering Retirement Challenges for Women Looking ahead can help you conquer these unique obstacles. Federal Income Tax Use this calculator to estimate your income tax liability along with average and marginal tax rates.