A quiet reflection on time

The Life
Calculator

A gentle, honest look at how your habits, history,
and choices shape the years ahead.

Takes about 3 minutes · No data is stored · Entirely private

The essentials

A few fundamental things to start with. Only your age and gender are required.

Your habits

Honest answers give a truer picture. There is no judgement here — only information.

0 drinks / week
02550+
7 hours / night
3h7–8h optimal12h

Mind & connection

Social bonds and mental wellbeing are among the strongest predictors of longevity.

3 / 10
Very lowModerateExtreme
CannabisRegular use
−0.5–1 yr
StimulantsCocaine, amphetamines
−2–5 yr
OpioidsNon-prescribed
−5–12 yr
PsychedelicsOccasional use
Minimal direct risk

Health picture

Existing conditions and body metrics help refine the estimate.

Type 2 DiabetesDiagnosed
−3–6 yr
Heart diseaseDiagnosed
−4–8 yr
HypertensionUncontrolled
−2–4 yr
Cancer historyTreated
−2–8 yr
Mental health conditionDepression, anxiety etc.
−1–3 yr

Family history

Genetics aren't destiny, but they are meaningful context.

Heart diseaseParent or sibling, before 60
−1–3 yr risk
CancerHereditary types
−1–4 yr risk
Type 2 Diabetes
−1–2 yr risk
Alzheimer's / dementia
−0.5–2 yr risk
Your Life Reflection
Estimated life expectancy
yrs
Your timeline
020406080100
Life lived
Estimated expectancy
Optimised potential
What's shaping your estimate
How your habits and history are affecting your years
What if you changed something?
Adjust these sliders to see how changes affect your estimate
This tool provides estimates based on published epidemiological research and actuarial data. It is not a medical diagnosis or prognosis. Individual outcomes vary enormously. Consult a qualified physician for personal health advice. Data entered is processed locally in your browser and never transmitted or stored.