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Cooper 12-minute test
Turn a 12-minute distance into estimated VO2max and a dated reference comparison.
Your result
Estimated VO2max
46.8mL/kg/min
Approximate percentile
≈ 66
2015 reference median
42.4mL/kg/min
FRIEND 2015 · 30-39
| Distance in 12 minutes | Estimated VO2max |
|---|---|
| 2,600 m | 46.8 |
Method and sources
VO2max = (metres in 12 minutes - 504.9) / 44.73 · mL/kg/min
Cooper 1968 estimated VO2max from a 12-minute field test in 115 male Air Force personnel. This is a field estimate, not a lab measurement or diagnosis. The comparison uses saved 2015 FRIEND treadmill norms for US adults aged 20-79, in the source men/women categories; values between published percentiles are linearly interpolated. Applying laboratory percentiles to a field estimate adds uncertainty. The 2015 edition is retained explicitly, not presented as current norms. A maximal test is strenuous; use a supervised assessment if health or readiness is uncertain.
Sources checked 30.10.2026
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