Cooper 12-Minute Run VO₂ Estimate
Estimate VO₂ max from distance covered during a 12-minute Cooper run test.
Formula and sources updated · Data sources · 2View algorithm, constants and default inputs (JSON)
About this calculator
This applies the Cooper equation to distance covered during a 12-minute run and gives a field-test estimate, not a laboratory measurement. Prediction error varies by population and individual; it should not be treated as a diagnosis or a precise fitness ranking.
Worked example
calculated with the default values below
Distance covered in 12 minutes 2,400 m Estimated VO₂ max 42.4 ml/kg/min
Data sources
Disclaimer
These calculators are for general information only and are not a medical device, a diagnosis or a treatment plan. Reference ranges describe populations, not individuals, and do not account for pregnancy, medication, disability or athletic training. Discuss your own situation with a qualified healthcare professional.
Implementation source
This record describes the implementation used by this page. It is not independent validation. External references, when available, support only the stated formula or definition; estimates and custom rules retain their own assumptions.
Formula and variables
VO₂max = (d−504.9)÷44.73
- d
- 12-min run distance (m)
- VO₂max
- Aerobic capacity (ml/kg/min)
Cooper 12-minute run regression estimate: distance must exceed 504.9 m. No age or sex adjustment/rating is applied; this is not a laboratory measurement.
Frequently asked questions
What does the Cooper estimate calculate?
It applies (distance in metres − 504.9) ÷ 44.73 to distance covered in 12 minutes. For 2,400 m the estimate is about 42.4 ml/kg/min. There is no age or sex adjustment in this calculator, and the result is not a lab measurement or diagnosis.