Heart Rate Calculator
Enter your age to calculate the ideal heart rate zone for specific phases of your cardio workout.
Enter your age to calculate the ideal heart rate zone for specific phases of your cardio workout.
| Cardio Phases | Heart Rate | Borg Scale |
|---|---|---|
| Sprints - 90 to 100% | All out effort. Don’t pace yourself, you shouldn't be able to talk. | |
| Lactic Acid Removal - 70 to 85% | Steady continued effort, could speak but not able to hold a conversation. |