Heart Rate Calculator

50-60%: Warm-up, very light activity
60-70%: Fat burning, light cardio
70-80%: Aerobic zone, moderate cardio
80-90%: Anaerobic zone, hard exercise
90-100%: Max effort, very short bursts

Calculate your maximum heart rate and target heart rate zones for optimal exercise.

Age (years)

Maximum Heart Rate (bpm)

Enter your age to see your heart rate zones.