Estimate your life expectancy from your age, sex and lifestyle — and see your projected lifespan. ⏳
Estimate your lifespan
In the US, average life expectancy at birth is roughly 76 years for men and 81 for women. But averages aren't destiny — lifestyle choices shift the number significantly. Smoking can cut a decade off your life, while regular exercise, a healthy diet, good sleep and low stress can add many healthy years. This calculator starts from population baselines and adjusts for the lifestyle factors with the strongest evidence.
Treat the result as a motivational ballpark, not a prediction. The encouraging part: the biggest levers — not smoking, staying active and eating well — are largely within your control, and improving them at any age still pays off.