Heart Rate vs %VO2max

How close is heart rate to the percent of VO2max? Turns out it’s pretty close. Here’s my VO2max testing data.

The R^2 of 0.9676 indicates a very good fit. The formula is:

%VO2max = (0.0101 * HR) – 0.6486

Or the other way around

HR = (%VO2max+.6486)/0.0101

Now I have an easy way to convert between the two numbers. I would not know this without the VO2max testing.

VO2max in the equations is in the range of 0.0 to 1.00 (0 to 100%).


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