Heart Rate Zone Calculator
Calculate target heart rate zones for exercise.
Maximum Heart Rate
bpm (220 - age)
Zone 1: Warm Up
50-60% - Very light effort
Zone 2: Fat Burn
60-70% - Light effort
Zone 3: Cardio
70-80% - Moderate effort
Zone 4: Hard
80-90% - Hard effort
Zone 5: Peak
90-100% - Maximum effort
Enter your age to calculate heart rate training zones.