Heart rate zone calculator for ME/CFS
Enter your age*
Enter your resting heart rate (RHR)*
Choose the formula for calculating anaerobic threshold (AT)
Traditional
Modern
Choose how much to adjust AT for ME/CFS
60% of healthy AT
50% of healthy AT
Choose zone format
Basic zones
Zones for Garmin HR graph setup
Zones for Garmin activity setup
Zones
Min
Max
Anaerobic threshold