VO2 Max Calculator - Estimate Your Cardio Fitness Free
Free VO2 max calculator - estimate your cardio fitness score online
Tool Interface
VO2 Max Calculator
Estimate your VO2 max from resting heart rate or a 1-mile walk test. Free, no signup.
Uses the Uth-Sorensen-Overgaard-Pedersen ratio: VO2 max = 15.3 x (max HR / resting HR). Leave max HR blank to estimate it as 220 minus age.
Rockport 1-mile walk test: walk 1 mile as fast as you can, then enter your time and heart rate right after finishing.
How to use
- Pick a method: resting heart rate (quick estimate) or the 1-mile walk test (more accurate).
- Enter your details and click Calculate VO2 Max.
- See your score on the fitness scale.
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About This Tool
About This Tool
The VO2 Max Calculator estimates your cardio fitness score using two proven methods: a quick resting heart rate estimate or the Rockport 1-mile walk test. It is free to use and requires no signup. Your score reflects how efficiently your body uses oxygen during intense exercise.
Key Features
- Estimate VO2 max from resting heart rate with an optional max heart rate override
- Rockport 1-mile walk test calculator for a more accurate vo2 max test result
- Fitness level rating from very poor to superior shown on a color scale
- Runs fully in your browser. No data is uploaded or stored
How to Use
- Choose a method: Resting Heart Rate for a quick estimate or 1-Mile Walk Test for higher accuracy.
- Enter your age, sex, and the requested measurements.
- Click Calculate VO2 Max to see your cardio fitness score and fitness level.
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