Heart Rate Calculator
Calculate target heart rate zones for effective cardio and endurance training. Enter your age and resting heart rate to get personalized fat‑burning, aerobic, and peak performance zones.
Your Details
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Age (years)
Resting Heart Rate (bpm)
Heart Rate Zones
114–133 bpm
Fat Burning Zone (50–70%)
Fat Burn: 114–133
Max HR: 187 bpm · Resting HR: 70 bpm · Zones calculated with Karvonen method.
Zone Boundaries
Features:
Calculates target heart rate zones for cardio and endurance training. Helps users optimize workouts for fat burning, endurance, and cardiovascular health. Useful for fitness tracking and exercise planning.