VO2 Max Calculator
Estimate your VO2 max — the best single measure of aerobic fitness — from a 12-minute run or simply from your age and resting heart rate.
How it works
- 1
Choose a method
Cooper 12-minute run test or resting heart rate.
- 2
Enter your data
Distance covered in 12 minutes, or age and resting pulse.
- 3
Read your estimate
VO2 max in ml of oxygen per kg per minute.
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Frequently asked questions
It depends on age and sex. For adults in their 30s, values above about 40 (women) or 45 (men) are generally considered good.
What VO2 max tells you
VO2 max is the maximum amount of oxygen your body can use during intense exercise. Higher values mean a stronger heart and lungs and are linked to better endurance performance and long-term health.
The Cooper test asks you to run as far as possible in 12 minutes on a flat track. The heart rate method needs no exercise but is less precise. Only a laboratory test with gas analysis gives an exact value.