What is the VO2 Max Calculator?
The vo2 max calculator is a free online tool that helps you work out vo2 max quickly and accurately. It uses the standard formula VO2 max is about 15.3 x (max HR / resting HR) and shows the result instantly as you type, along with a full breakdown so you can see exactly how the answer was reached.
How to use this calculator
- Enter age and resting heart rate.
- See your estimated VO2 max.
Formula used
VO2 max is about 15.3 x (max HR / resting HR)
Explanation of each input
- Age (years) โ the age used in the calculation.
- Resting heart rate (bpm) โ the resting heart rate used in the calculation.
Understanding your result
- Estimated VO2 max โ the calculated estimated vo2 max in ml/kg/min.
Step-by-step calculation
For the example values Age 30, resting 60:
- Apply the formula:
VO2 max is about 15.3 x (max HR / resting HR) - Substitute the values: 15.3 x (190/60)
- Result: about 48.5 ml/kg/min
Worked example
| Inputs | Age 30, resting 60 |
|---|---|
| Working | 15.3 x (190/60) |
| Result | about 48.5 ml/kg/min |
Benefits and practical uses
This calculator saves you time and reduces errors when you need vo2 max. It is useful for students, professionals and anyone who wants a fast, reliable answer without manual calculation. Results update instantly, work in your browser and can be copied or shared in one click.
Assumptions and limitations
- Heart-rate-ratio estimate; lab testing is more accurate.
Frequently asked questions
What is VO2 max?
The maximum oxygen your body can use during intense exercise - a key marker of cardio fitness.