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VO2 Max Calculator

Estimate VO2 max from your 12-minute Cooper run test distance in meters.

Estimated VO2 max
42.4ml/kg/min
Good range (men 30-39)
~43–48 ml/kg/min
Good range (women 30-39)
~34–38 ml/kg/min

Formula: VO₂max = (distance in meters − 504.9) ÷ 44.73

About VO2 Max Calculator

VO2 Max Calculator is a free online calculator that gives you an instant, accurate result as you type. Estimate VO2 max from your 12-minute Cooper run test distance in meters.

The calculation uses the standard formula VO₂max = (distance in meters − 504.9) ÷ 44.73 and updates live with every change to the inputs. Everything runs client-side in your browser — fast, private, and free to use as often as you like.

Kenneth Cooper's 1968 field test converts 12-minute run distance to VO2 max as (meters − 504.9) ÷ 44.73, correlating strongly with lab treadmill values.

Results are estimates for educational purposes and not medical advice.

Frequently Asked Questions

Is VO2 Max Calculator free to use?

Yes. VO2 Max Calculator is completely free, with no sign-up, no downloads, and no usage limits. You can use it as many times as you like on any device with a web browser.

How accurate is this calculator?

The calculator applies the standard formula (VO₂max = (distance in meters − 504.9) ÷ 44.73) with full floating-point precision and rounds only the displayed result. For most practical purposes the results are exact.