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 What Is My Life Expectancy? Estimate how many years you may need retirement assets or how long to provide income to a surviving spouse or children. Surprise! You’ve Got Money! Here’s a quick guide to checking to see if you have unclaimed money. Put It in a Letter A letter of instruction provides additional and more personal information regarding your estate.