Useful tools to calculate foundational cycling training metrics.
Variability Index Calculator
Variability Index (VI) measures how smooth (evenly paced) or variable (with frequent changes) was your power output during your ride. Enter Average and
Normalized Power to get a Variability Index of your cycling workout.
Average Power
Normalized Power
Training with a power meter?
Start tracking your cycling power and get actionable insights from your training. Our AI-powered tools are designed to help you become a stronger and
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