Compare · Target Heart Rate Calculator
Two independent scenarios side by side.
Scenario A
Heart rate zones (Karvonen)
Max HR
190 bpm
220 − 30
Heart rate reserve
125 bpm
Max − resting · used by Karvonen formula
Training zones
- Warm up (50–60%)128–140
- Fat burn (60–70%)140–153
- Cardio (70–80%)153–165
- Peak (80–90%)165–178
- VO₂ max (90–100%)178–190
Scenario B
Heart rate zones (Karvonen)
Max HR
190 bpm
220 − 30
Heart rate reserve
125 bpm
Max − resting · used by Karvonen formula
Training zones
- Warm up (50–60%)128–140
- Fat burn (60–70%)140–153
- Cardio (70–80%)153–165
- Peak (80–90%)165–178
- VO₂ max (90–100%)178–190