Try the VO2 Max Calculator
Estimate your VO2 max using the Cooper 12-minute run, the 1.5-mile run, the Rockport 1-mile walk test or the resting heart rate method.
- Free to use
- No signup
- Nothing to install
- Runs in your browser
Illustration. Open the tool for the real thing.
What is the VO2 Max Calculator?
Estimate your VO2 max using the Cooper 12-minute run, the 1.5-mile run, the Rockport 1-mile walk test or the resting heart rate method. You get your VO2 max in ml/kg/min, METs and a fitness rating for your age and sex.
Retest every couple of months to track your aerobic fitness.
3 steps to your result
Open the tool and follow along. Nothing to install.
What you get
Run, walk or resting HR.
For age and sex.
Included.
AZRS tools are free to open and use.
It opens in your browser, so there is nothing to download.
Used for
Pick one to see how it fits.
How it compares
A plain look at this tool next to the usual alternative.
| This fitness tool | Desktop software | |
|---|---|---|
| Install | Nothing to install | Usually an app or program to install |
| Account | No signup | Depends on the product |
| Cost | Free to use | Free or paid, depends on the product |
| Where it runs | In your browser tab | On your computer |
Questions people ask
Is it accurate?
These are estimates within about 10%.
Is it free and private?
Yes, with no account. 4 methods; Fitness rating; METs. What you save stays on this device, and nothing is sent anywhere. Pick a method. Perform the test or enter your numbers.
Which test should I use?
Use the one that matches what you can do safely. A fit runner can use the Cooper or 1.5-mile run; a walker can use the Rockport walk; the resting heart rate method needs no exercise at all.
How do I use the VO2 Max Calculator?
1. Pick a method. 2. Perform the test or enter your numbers. 3. Read your VO2 max and rating.
Any tips for good results?
Warm up first. Test on a flat track. Pick one test and repeat it under the same conditions, such as the same track and time of day.
More free tools
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Try the VO2 Max Calculator now
Cooper, 1.5-mile, Rockport walk and resting heart rate methods. Free to use.
Try it free