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VO2 Max Calculator

Estimate aerobic fitness from a 12-minute run.

Details

Results

Estimated VO2 max
Fitness level

Estimates only — not medical advice.

How it works

The Cooper test estimates VO2 max from how far you run in 12 minutes: VO2max = (meters − 504.9) ÷ 44.73. Higher means greater aerobic capacity.

Run all-out for 12 minutes on a flat track and enter the distance for the best estimate.

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Good to know

FAQs

What is VO2 max?

The max oxygen your body can use — a key aerobic-fitness measure.

How is it estimated?

The Cooper 12-minute run test distance.

What's a good VO2 max?

Varies by age/sex; 45+ is generally good for adults.

Medical advice?

No — warm up and consult a doctor before max efforts.