The Living to 100 Life Expectancy Calculator

The Living to 100 Life Expectancy CalculatorĀ©

By Thomas Perls M.D., M.P.H.

The calculator was designed to translate what we have learned from studies of centenarians and other longevity research into a practical and empowering tool for individuals to estimate their longevity potential. To use the calculator, go to! This site has been named twice as one of USA Today’s Hottest Sites.

Soon, shortened versions of the calculator will be available as I-phone and Android apps.