Live estimator

Feel the signal in five seconds.

Two inputs place most people inside a Mandsager quintile with a hazard ratio and a FRIEND age/sex percentile attached.

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Meet the estimator

Welcome. In under thirty seconds we'll estimate your VO2 max — the single strongest predictor of all-cause mortality — from two inputs you already know.

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Age (years)42
Resting HR (bpm)58
Biological sex
male
female
Estimated VO₂ max
46.3ml/kg/min
HRmax
179 bpm
Mandsager
High · HR 1.19
share result →aeroglyphics.dev/estimator?…
Age (years)42
Resting HR (bpm)58
Biological sex

Formula: VO₂ ≈ 15 × (HRmax / HRrest) · Uth-Sørensen-Overgaard-Pedersen
HRmax = 208 − 0.7 × age · Tanaka, JACC 2001
Norms: FRIEND registry · Kaminsky, Mayo Clin Proc 2015

aeroglyphics · vo2_estimate
Estimated VO₂ max
46.2ml/kg/min
HRmax (est.)
179 bpm
Mandsager quintile
High
FRIEND percentile
60th

Good · age/sex adjusted

Adjusted mortality risk
HR 1.19

vs elite baseline · Mandsager 2018

Estimate only. For clinical precision request a CPET (cardiopulmonary exercise test). Smartwatch VO₂ max readings are also a valid input.