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Compare · Target Heart Rate Calculator

Two independent scenarios side by side.

Scenario A

Heart rate zones (Karvonen)

Max HR
190 bpm

Training zones

  • Warm up (50–60%)128140
  • Fat burn (60–70%)140153
  • Cardio (70–80%)153165
  • Peak (80–90%)165178
  • VO₂ max (90–100%)178190
Scenario B

Heart rate zones (Karvonen)

Max HR
190 bpm

Training zones

  • Warm up (50–60%)128140
  • Fat burn (60–70%)140153
  • Cardio (70–80%)153165
  • Peak (80–90%)165178
  • VO₂ max (90–100%)178190