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 Coaches Coaches have helped you your whole life, in ways big and small. We'd like to be one of them. Deciding When to Take Social Security One of the most common questions people ask about Social Security is when they should start taking benefits. Leaving Your Lasting Legacy Want to do more with your wealth? You might want to consider creating a charitable foundation.