Life Expectancy Calculator
How many years do you actually have?
Ten factors, one honest estimate. Adjust anything below and watch your projected lifespan — and the reasons behind it — update instantly.
Your Inputs
Current ageyears
Sex
Smoking
Exercise
Diet quality
Body weight (BMI category)
Average sleep
Alcohol
Stress level
Social connection
Family history of early chronic disease
Projected age
82years old
≈ 52 years, 0 months remaining
Your life, one square per year
0 / 0
Lived
Remaining
Gained by habits
Lost to habits
Change one habit above to see the biggest lever for you
Educational estimate only, not a medical diagnosis or individual actuarial quote. Based on simplified population-level patterns from published epidemiological research (CDC, WHO, and cohort studies). Individual outcomes vary based on genetics, environment, and healthcare access — talk to a licensed clinician about personal health decisions.