Queens College Step Test Vo2max
Calculator
Results
- Estimated VO2max (ml/kg/min)
- 48.33
Results
| Estimated VO2max (ml/kg/min) | 48.33 |
formula-map diagram
- Estimated VO2max (ml/kg/min)
- 48.33
Diagram
Formula
VO₂max(M) = 111.33 − 0.42 × HR= 48.33
Note
This is a simplified sports-science model for general guidance, not medical or coaching advice.
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See all →Frequently asked questions
How does the Queens College Step Test estimate VO2 max?+
It uses your recovery heart rate measured for 15 seconds immediately after 3 minutes of stepping at a fixed cadence (24 steps/min for women, 22 for men), then plugs that heart rate into a sex-specific regression formula to estimate VO2 max. No maximal effort is required, making it a submaximal fitness test.
Why does the test use different stepping cadences for men and women?+
The cadences were calibrated so that both sexes work at a comparable relative intensity during the standardized protocol, correcting for average differences in stride mechanics and fitness levels between the original study populations. Using the wrong cadence for your sex will produce an inaccurate estimate.
Why is heart rate measured in the recovery period rather than during the step test itself?+
Recovery heart rate reflects how efficiently your cardiovascular system returns toward baseline after a standardized submaximal workload, which correlates with aerobic fitness without requiring you to reach true maximal exertion. This makes the test safer and more accessible than maximal effort protocols.
How accurate is this submaximal test compared to a direct VO2 max measurement?+
It's a reasonable field estimate but generally less precise than lab-based maximal testing, with accuracy sensitive to whether the stepping cadence and 15-second heart rate count were performed correctly. Errors in timing the pulse count are a common source of inaccurate results.
What step height does the test require, and does it matter?+
The standard protocol uses a 16.25-inch (41.3 cm) step, and using a different height changes the actual workload performed, invalidating the regression formula's assumptions. Consistent step height is essential for the result to be meaningful.