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Heart Rate Zones Calculator

Calculate your heart rate training zones based on age. Optimize cardio workouts with zone training.

How to Calculate Heart Rate Training Zones

  1. 1 Enter your age in years
  2. 2 Optionally enter your resting heart rate for more accurate zones
  3. 3 Click Calculate Zones to generate your training zones
  4. 4 Review all five zones from recovery to maximum
  5. 5 Use these zones to optimize your cardio workouts

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Last updated: January 15, 2026 · v2.1