Zone | Description | Intensity | % of MHR |
5 | VO2 max | Maximal | 90 – 100 |
4 | Anaerobic | Very Intense | 80 – 90 |
3 | Aerobic | Intense | 70 – 80 |
2 | Endurance | Moderate | 60 – 70 |
1 | Recovery | Light | 50 – 60 |
Heart Rate Zone Calculator
Karvonen Formula Calculator
Bruce Protocol METs Calculator