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 Leaving Your Lasting Legacy Want to do more with your wealth? You might want to consider creating a charitable foundation. Mastering Mobile Lingo Do you understand these common mobile slang terms? Social Security: Maximizing Benefits There are other ways to maximize Social Security benefits, in addition to waiting to claim them.