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LifeSpan
US baseline + adjustments for smoking, exercise, and diet.
This begins with national baseline life-expectancy statistics for your age and sex, then nudges the estimate up or down based on well-documented lifestyle factors like smoking and exercise that population studies link to mortality risk.
This reflects group-level statistical tendencies, not a personal forecast — individual genetics, healthcare access, and countless unmeasured factors mean any one person's actual outcome can differ substantially.
Daily energy expenditure with personalised macro splits.
OpenBody mass index with healthy-range guidance.
OpenUS Navy circumference method for body fat percentage.
OpenDaily hydration target based on weight, activity, and climate.
OpenRough population-average estimate. Genetics, healthcare access, and stress dramatically shift the actual number.
What you entered
US baseline for male
78 years= 78 yearsRegular exercise (150+ min/wk)
+3 years= adjustment appliedHealthy diet most days
+2 years= adjustment appliedFinal estimate
baseline + all adjustments= 83 yearsResult
Estimated life expectancy: 83 years
Based on population baselines and your lifestyle factors, estimated life expectancy is 83 years — about 53 years from now.