Heart Rate Calculator

Enter your age to calculate the ideal heart rate zone for specific phases of your cardio workout.

Your Heart Rate Results

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.