VO2 Max Calculator
Estimate VO₂ max from a Cooper test, heart rate or 1.5-mile run.
Runs in your browser — nothing is uploaded—
Details
Informational estimates only — not medical or training advice.
How to use VO2 Max Calculator
- Enter your values — the unit for each field is shown next to it.
- The result updates instantly as you type.
- Copy the results, or change inputs to compare scenarios.
Formula & assumptions
Cooper: (distance m − 504.9) / 44.73
Heart rate ratio: 15.3 × HRmax / HRrest