VO₂max Estimate Calculator

Test
method

Choose the test you performed.

Distance in 12 minutes
(meters)

Enter total distance covered in 12 minutes.

Cooper formula

VO₂max ≈ (distance − 504.9) / 44.73

Distance in meters.

1-mile walk time
(mm:ss)

Enter the time it took to walk 1 mile.

Heart rate at finish
(bpm)

Measure right at the end of the walk.

Age
(years)

Used in the Rockport equation.

Sex
(for equation)

Rockport uses a sex coefficient.

Body weight
(kg)

Enter weight in kilograms.

Rockport formula

VO₂max ≈ 132.853 − 0.0769×weight(lb) − 0.3877×age − 3.2649×time(min) − 0.1565×HR + 6.315×(male=1,female=0)

We convert kg → lb internally.