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 Question Thank you! Oops! Related Content How Will Working Affect Social Security Benefits? Knowing the rules may help you decide when to start benefits. Four Really Good Reasons to Invest There are four very good reasons to start investing. Do you know what they are? Contributing to an IRA? Determine if you are eligible to contribute to a traditional or Roth IRA.