Answer a few honest questions about your habits and health. In about 3 minutes you'll get a science-backed estimate of your life expectancy — and, more importantly, what you can do to move the number.
20+
factors analysed
3 min
to complete
100%
private & free
Step 1 of 4 — the basics
Let's start with you.
Age and sex set your baseline. Everything else adjusts from here.
Your current age35yrs
Biological sex
Male
Baseline ~76–81 years
Female
Baseline ~81–87 years
Please select one to continue
Country of residence
USA
Europe
UK
Australia
Japan
Other
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Step 2 of 4 — be honest
The lifestyle questions.
These matter more than most people expect. No judgement — the algorithm doesn't care.
Smoking
Never smoked
Never touched one
Ex-smoker
Quit at some point
Light smoker
Fewer than 10 a day
Heavy smoker
10 or more per day
Please select one to continue
Alcohol
I don't drink
Zero alcohol
Light drinker
1–7 drinks per week
Moderate
8–14 drinks per week
Heavy drinker
15+ per week
Please select one to continue
Exercise frequency
Sedentary
Little to no movement
Light
1–2 sessions a week
Regular
3–4 sessions a week
Very active
5 or more per week
Please select one to continue
Step 3 of 4
How you fuel and recover.
Diet and sleep are the two most underestimated levers in longevity research.
Diet quality
Poor
Mostly processed food
Average
Mix of good and bad
Good
Mostly whole foods
Excellent
Mediterranean-style
Please select one to continue
Average sleep per night7hrs
Step 4 of 4 — almost there
Your health picture.
These final factors complete the model. Honest answers give you the most accurate result.
BMI range
Underweight
BMI below 18.5
Healthy weight
BMI 18.5 – 24.9
Overweight
BMI 25 – 29.9
Obese
BMI 30 or above
Please select one to continue
Chronic stress level
Low
Generally at ease
Moderate
Manageable pressure
High
Chronically stressed
Severe
Burning out
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Social connections
Strong
Close friends & family
Moderate
Some connections
Limited
Often lonely
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Known chronic conditions
None
Clean bill of health
One
One managed condition
Two or more
Multiple conditions
Please select one to continue
Crunching your data.
Weighing 20+ longevity factors against published research.
Your life expectancy estimate
—years
Birth100
Impact by factor
Your top opportunities
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