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 Capital Gains Tax Estimator Use this calculator to estimate your capital gains tax. Insurance Needs Assessment: When You're Young and Single Even if you’re young and single, you should still consider protecting yourself. When Heirs are Imperfect The money problems or bad lifestyle habits of adult children could lead to the squandering of any inheritance they receive.