Cooper 12-Minute Test Calculator
VO₂max from your 12-minute run distance — the 1968 field test still used by federations and militaries.
Cooper validated the 12-minute run against treadmill lab tests for the US Air Force (r=0.90) — pacing is the whole skill: even effort, not a sprint-and-die. 2,400 m maps to ~42 mL/kg/min. Use a track or GPS, warm up properly, and don't attempt it untrained or unwell.
Formula
For general information only — not medical or training advice. Estimates vary between individuals; consult a qualified professional before changing your exercise or nutrition routine.
VO₂max from your 12-minute run distance — the 1968 field test still used by federations and militaries. The Cooper 12-Minute Test Calculator is a free, private cooper test tool — every result computes instantly in your browser with no sign-up and no data upload.
About Cooper 12-Minute Test Calculator
Cooper validated the 12-minute run against treadmill lab tests for the US Air Force (r=0.90) — pacing is the whole skill: even effort, not a sprint-and-die. It applies VO₂max = (distance(m) − 504.9) ÷ 44.73. Use the Cooper 12-Minute Test Calculator to get an instant, clearly-explained result with the working shown step by step — free, private and with the source method cited.
How to use Cooper 12-Minute Test Calculator
- 1Enter your details in the Cooper 12-Minute Test Calculator input fields above.
- 2The result updates instantly with the working and reference bands shown.
- 3Adjust any value to explore how it changes the outcome — it's free and unlimited.
Why use Cooper 12-Minute Test Calculator?
- ✓Instant cooper test result that recomputes as you type — no waiting, no page reloads
- ✓100% client-side: your health data never leaves your browser
- ✓Shows the actual formula and your numbers substituted in, so you can see exactly how the result is reached
- ✓Based on published, citable sources (Cooper KH, JAMA 1968;203:201-4)
- ✓Free forever with no sign-up, account or app install
Frequently asked questions
How does the Cooper 12-Minute Test Calculator work?+
Cooper validated the 12-minute run against treadmill lab tests for the US Air Force (r=0.90) — pacing is the whole skill: even effort, not a sprint-and-die. The calculation uses the formula: VO₂max = (distance(m) − 504.9) ÷ 44.73. Everything runs instantly in your browser as you type — your inputs are never uploaded.
Is the Cooper 12-Minute Test Calculator accurate, and what is it based on?+
The method is traceable to authoritative sources: Cooper KH, JAMA 1968;203:201-4. Results are estimates — individual variation always applies, so treat the output as a well-grounded starting point.
Is the Cooper 12-Minute Test Calculator free and private?+
Yes. It's completely free with no sign-up, and all computation happens locally in your browser, so none of your health data ever leaves your device.
Can I use this for medical decisions?+
This tool is for general fitness information only, not medical or training advice. Consult a professional before changing your routine.
What can I use the Cooper 12-Minute Test Calculator for?+
It's commonly used for cooper test, 12 minute run, cooper test calculator. VO₂max from your 12-minute run distance — the 1968 field test still used by federations and militaries.
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