Health & Fitness
Calculator VO2 Max
Estimate VO2 max and fitness level from common tests.
Formulas and edge cases are reviewed against authoritative references before publication. For methodology, editorial standards, or corrections, use the links below.
Frequently asked questions
What is VO2 max?
The maximum rate of oxygen consumption during intense exercise, a key indicator of cardiovascular fitness.
How accurate are these estimates?
Lab tests are most accurate. These estimates are within 10-15% for most people.
Can I improve my VO2 max?
Yes, high-intensity interval training (HIIT) is most effective for improving VO2 max.
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About this tool
This VO2 Max Calculator turns your inputs into practical results. Provide Heart Rate, Time, and Age to calculate Fitness Age and Percentile for Age.
Adjust values to compare scenarios and see how sensitive the result is. The calculation uses the numbers as entered, so double-check units and expect small differences from rounding in the displayed totals.