VO₂max Calculator

Aerobic capacity from Cooper 12-min run or resting HR.

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See how it works

Watch a quick simulation of this tool in action — no file needed.

How to use VO₂max Calculator

Follow these steps — everything happens instantly in your browser.

  1. 1

    Step 1. Pick a method: Cooper 12-min run or resting HR formula.

  2. 2

    Step 2. Pick your biological sex and enter your age.

  3. 3

    Step 3. Enter distance (Cooper) or resting HR (Uth et al.).

  4. 4

    Step 4. Read your estimated VO₂max and fitness rating.

Why use this tool

Frequently asked questions

Everything you might want to know about vo₂max calculator.

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