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. 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 Risk Perspective Is it possible to avoid loss? Not entirely, but you can attempt to manage risk. How Will Working Affect Social Security Benefits? Knowing the rules may help you decide when to start benefits. What Is a Roth 401(k)? Roth 401(k) plans combine features of traditional 401(k) plans with those of a Roth IRA.