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VO2Bench
Distance run in 12 minutes → VO₂max in ml/kg/min.
VO₂ max is the maximum rate your body can take in and use oxygen during intense exercise — a direct proxy for cardiovascular fitness, since a higher number means your heart and lungs can fuel harder, longer effort.
The Cooper test relies on the fact that how far you can run in a fixed 12 minutes correlates strongly with lab-measured VO₂ max, giving a reasonably accurate estimate without needing expensive equipment.
Daily energy expenditure with personalised macro splits.
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OpenUS Navy circumference method for body fat percentage.
OpenDaily hydration target based on weight, activity, and climate.
OpenVO₂ max (ml/kg/min)
42.368
Cooper's 12-minute run test: VO₂max ≈ (distance in metres − 504.9) / 44.73
What you entered
Cooper formula
(2400 − 504.9) ÷ 44.73= 42.4 ml/kg/minResult
VO₂ max (ml/kg/min): 42.368
Running 2400m in 12 minutes gives an estimated VO₂ max of 42.4 ml/kg/min — rated "Average".