Einfacher VO2 Max Schätzer

How does the simple estimation method work?

The simple estimation method uses the Uth-Sorensen-Overgaard-Pedersen formula to approximate your VO2 Max from two inputs: your age and your resting heart rate. The formula calculates your estimated maximum heart rate (220 minus age), then divides it by your resting heart rate and multiplies by a constant of 15.3. This ratio between max HR and resting HR is a reliable proxy for cardiovascular efficiency.

The logic is straightforward: a lower resting heart rate relative to your max heart rate indicates a stronger, more efficient heart that pumps more blood per beat. Elite athletes often have resting heart rates in the 40s or 50s, which produces a high VO2 Max estimate. Sedentary individuals with resting heart rates in the 80s or 90s will see lower values.

How to measure your resting heart rate accurately

For the most accurate result, measure your resting heart rate first thing in the morning before getting out of bed. Lie still for a few minutes, then count your pulse for a full 60 seconds. Alternatively, use a fitness tracker or smartwatch that records overnight resting heart rate. Avoid measuring after caffeine, exercise, or stressful situations, as these will temporarily elevate your heart rate and skew the estimate downward.

Accuracy and limitations

This method provides a reasonable ballpark estimate for most adults but is less accurate than exercise-based tests like the Rockport Walk Test or Cooper Test. It tends to overestimate VO2 Max in sedentary individuals and may underestimate it in highly trained athletes whose resting heart rates are exceptionally low. For a more precise result, consider using one of the exercise-based methods available in this calculator.

Try other VO2 Max estimation methods

This calculator also supports the Rockport Walk Test (walk 1 mile as fast as possible), Cooper 12-Minute Run Test (run as far as you can in 12 minutes), and manual entry if you already know your VO2 Max from a lab test or wearable device.