Enter your 20 min average power and heart rate from your 20 min test & click go. Your functional threshold power, power training levels and heart rate zones are calculated below. Use the functional threshold power value in WKO+ software and/or TrainingPeaks (if you use either) to ensure accurate TSS/IF data. Learn more about the power level descriptions here.
Power level and heart rate zone calculator
Power level and heart rate zone calculator was last modified: October 28th, 2014 by