VO2 max — Cooper Test Calculator
Estimates VO2 max from the distance covered in a 12-minute Cooper test — cardiorespiratory fitness metric.
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The Cooper Test and VO₂max
VO₂max is the maximal rate at which the body can take in and use oxygen, expressed in millilitres per kilogram of body weight per minute (ml/kg/min). It is the gold-standard benchmark of cardiorespiratory fitness. Kenneth Cooper proposed a simple field test in 1968: run as far as possible in 12 minutes. Distance is then converted to VO₂max using VO₂max = (d - 504.9) / 44.73, where d is the distance covered in metres.
The test was originally validated on US Air Force personnel and correlates well (r ≈ 0.90) with treadmill-measured VO₂max for healthy adults. Pacing, terrain, wind and motivation all affect results, so the test should be repeated under similar conditions for valid longitudinal comparison.
Applications
VO₂max is used to grade endurance fitness, prescribe aerobic training intensities, and screen for cardiovascular risk: higher values are strongly associated with lower all-cause mortality. The WHO recommends at least 150 min of moderate aerobic activity per week, and Cooper-test improvements are a tangible way to track adherence and progress.
FAQ
Who should not perform the Cooper test? Anyone with cardiovascular disease, uncontrolled hypertension or recent injury should clear the test with a physician first.
What is a good VO₂max score? Healthy adults typically score 35-45 ml/kg/min; trained endurance athletes can exceed 60, and elite marathoners reach 70-85.
Can I run on a treadmill? Yes, but set incline to 1% to mimic outdoor air resistance and avoid holding the handrails.
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The results provided by this tool are for general informational and educational purposes only and do not constitute professional, financial, medical, legal, tax or accounting advice. Always confirm important decisions with a qualified professional and official sources.