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 Best-Performing Asset Classes Bonds may outperform stocks one year only to have stocks rebound the next. The Three Keys to a Great Password Have fun and learn how to craft the perfect password with the help of this highly engaging infographic. Taxable vs. Tax-Deferred Savings Use this calculator to compare the future value of investments with different tax consequences.