Life Expectancy Calculator
Current Age
Smoking Status
Exercise Level
Life expectancy calculators estimate remaining lifespan based on age, sex, and lifestyle factors. They reflect population averages — individual outcomes vary enormously based on genetics and circumstances.
- 1US baseline: ~74yr (men), ~79yr (women)
- 2UK baseline: ~79yr (men), ~83yr (women)
- 3Smoking: −10 years; Exercise: +3–5 years
- 4Diet, social connection, weight also significantly affect longevity
Male, age 42, non-smoker, exercises regularly=Estimated remaining years: ~40+ (to ~age 82+)
| Factor | Years gained/lost |
|---|---|
| Smoking | -10 years |
| Obese (BMI≥30) | -2 to -4 years |
| Regular exercise (≥150 min/wk) | +3 to 5 years |
| Mediterranean diet | +2 to 3 years |
| Strong social connections | +3 years |
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