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Calcimator

Heart Rate Zones Calculator

Calculate your personalized heart rate training zones using the Karvonen method. Optimize your cardio workouts for fat burn, endurance, or performance.

Inputs

years
bpm

Results

Max Heart Rate

190 bpm

Zone 1 β€” Recovery128–140 bpm
Zone 2 β€” Aerobic Base140–153 bpm
Zone 3 β€” Tempo153–165 bpm
Zone 4 β€” Threshold165–178 bpm
Zone 5 β€” VO2 Max178–190 bpm
How to Use This Calculator
  1. Enter Age and Resting Heart Rate.
  2. Review the Max Heart Rate (bpm) result.
  3. Use Zone 1 β€” Recovery and Zone 2 β€” Aerobic Base to inform your decision.
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