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 Choosing a Business Structure Entrepreneurs all face the same question, “Which business structure should I adopt?” How Will Working Affect Social Security Benefits? Knowing the rules may help you decide when to start benefits. Put It in a Letter A letter of instruction provides additional and more personal information regarding your estate.