VO2 Max Calculator
Estimated aerobic fitness.
Enter the values and press Calculate.
How to use VO2 Max Calculator
A simple estimate multiplies 15 by the ratio of maximum to resting heart rate.
Open VO2 Max Calculator on toolpermarket and enter your values above.
Enter your resting and maximum heart rates in the fields above, then press Calculate.
Read the result below the form. You can change any input and press Calculate again to compare scenarios.
Worked example. A resting rate of 60 and max of 180 gives an estimated VO2 max of 45.
When to use VO2 Max Calculator. Use it as a rough fitness tracking signal, not a lab measurement.
When you actually reach for this
- Use it as a rough fitness tracking signal, not a lab measurement.
Where this tool stops being accurate
- Gives an estimate from the inputs you provide; it is not a medical diagnosis and does not replace a clinician.
- Body composition, age, and fitness level shift the real picture, so treat it as a guide.
Frequently asked questions
How do I find max heart rate?
A common guess is 220 minus your age, though a stress test is more accurate.
Is this exact?
No. It is a field estimate and should not replace proper testing.
Should I follow this number exactly?
No. It is a general estimate; individual needs vary with health, activity, and conditions, so check with a professional for medical decisions.