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 Question Thank you! Oops! Related Content Annuity Comparison This calculator compares a hypothetical fixed annuity with an account where the interest is taxed each year. Silver Sneakers 101 Medicare’s popular program, offering free gym membership and health education. Acres of Diamonds In life it often happens that the answers to our most pressing questions are right in our own backyards.