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Heart Rate Zones Calculator

Calculate your training heart rate zones for optimal cardio exercise based on age and resting HR.

How to Use This Heart Rate Zones Calculator

  1. 1Enter your age
  2. 2Enter your resting heart rate
  3. 3Click Calculate
  4. 4See all 5 training zones

Formula

Max HR = 220 - Age. Target HR = ((Max HR - Resting HR) × %) + Resting HR (Karvonen method)

Frequently Asked Questions

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About Heart Rate Zones Calculator

Find your 5 heart rate training zones using the Karvonen formula. Optimize your workouts for fat burning, cardio fitness or peak performance.