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 What Is a Roth 401(k)? Roth 401(k) plans combine features of traditional 401(k) plans with those of a Roth IRA. 5 Smart Investing Principles Principles that can help create a portfolio designed to pursue investment goals. How Interest Rates Affect Everything This is a good infographic to use, and reuse, whenever the benchmark interest rate goes up.