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Heart Rate Zone Calculator

Calculate your personalized heart rate training zones

Your Stats

Measure first thing in the morning, lying down, before getting up

💡 Heart Rate Training Tips

  • • Measure resting HR first thing in morning for best accuracy
  • • Elite athletes often have resting HR in the 40-50 bpm range
  • • Average untrained resting HR is 60-80 bpm
  • • Max HR varies by individual - 220-age is just an estimate
  • • Consider a lab VO2 max test for most accurate zones
  • • HR zones shift as fitness improves (retest every 2-3 months)
  • • Heat, dehydration, and fatigue can elevate heart rate
  • • Some medications (beta-blockers) can lower heart rate