Cycling Watt Per Kilo (w/kg) Calculator
Calculate your watts per Kg based on your Functional Threshold Power (FTP) and weight.
CyclingCalculate your VO2 max based on your age, gender, and test method.
0.00mL/kg/min
Estimated VO2 Max
Learn more about the calculator and its creator
I have been a multi-sport athlete for over 10 years and I built this calculator to help athletes like you and me.
The VO2 max calculator helps determine your maximal oxygen uptake, a crucial measure of cardiorespiratory capacity1. This comprehensive tool offers multiple testing methods to calculate your VO2 max, making it accessible for different fitness levels and preferences.
VO2 max represents how much oxygen your body can utilize during intense exercise. Measured in ml/kg/min (milliliters of oxygen per kilogram of body weight per minute), it's one of the most reliable indicators of aerobic fitness and helps guide exercise prescription and training programs2.
Resting Heart Rate Method
• Simplest method requiring minimal physical activity
• Uses resting heart rate and age to estimate VO2 max
• Best taken first thing in the morning
• Provides a baseline measurement
One Mile Walk Test (Rockport Fitness Walking Test)
• Find an appropriate walking location
• Record test completion time and heart rate
• Uses body weight and age in calculations
• Perfect for beginners or those who prefer walking
Three-Minute Step Test
• Uses a standardized step height from ground level
• Different pace for males and females
• Follows a specific stepping sequence (left leg, right leg)
• Measures recovery heart rate after test completion
1.5 Mile Run Test
• Find an appropriate running location
• Requires maximal physical exertion
• Uses test completion time to calculate VO2 max
• Best for those with regular training experience
Your calculated VO2 max value helps determine your current fitness level and can be used to:
Regular VO2 max testing helps:
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