VO2 Max Calculator
Estimate your VO2 max based on age, gender, and resting heart rate. Assess your cardiovascular fitness level.
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What is VO2 Max?
VO2 max — or maximal oxygen uptake — is a key measure of cardiovascular fitness. It represents the maximum volume of oxygen your body can use per minute during intense exercise, expressed in milliliters per kilogram of body weight per minute (ml/kg/min).
Elite endurance athletes like marathon runners and cyclists can have VO2 max values above 70 ml/kg/min, while sedentary adults may score below 30. Genetics play a role, but training can improve your VO2 max by 10–30%.
How to Improve Your VO2 Max
- Interval Training: Alternate between high-intensity bursts (85-95% max HR) and recovery periods.
- Steady-State Cardio: Build an aerobic base with 30–60 minutes of moderate-intensity exercise.
- Progressive Overload: Gradually increase workout duration, intensity, or frequency.
- Cross-Training: Mix running, cycling, swimming, and rowing to challenge different systems.
- Recovery: Prioritize sleep and rest days to allow physiological adaptations.
Frequently Asked Questions
VO2 max is the maximum rate at which your body can consume oxygen during exercise. It is one of the best indicators of cardiovascular fitness and aerobic endurance. A higher VO2 max means your heart, lungs, and muscles are more efficient at delivering and using oxygen.