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Tools · Longevity

Biological Age
Calculator

Chronological age counts the years. Phenotypic age asks how old your physiology looks. Enter nine values from a standard blood panel to estimate your PhenoAge using the peer-reviewed Levine algorithm.

Your panel

yrs
g/dL
Typical 3.5–5.0
mg/dL
Typical 0.6–1.3
mg/dL
Typical 70–99
mg/L
hs-CRP, e.g. 0.2–3
%
Of white cells, 20–45
fL
Typical 80–100
%
Typical 11.5–15
U/L
Typical 40–130
10³/µL
Typical 3.5–10

Estimated phenotypic age

— yrs

This calculator is for educational purposes only and is not medical advice, diagnosis, or treatment. Results are estimates based on published formulas and population averages — your individual values may differ. Nothing here is calculated on a server: everything runs in your browser and no data is stored or sent anywhere. Always consult a qualified clinician before making health, medication, or training decisions.