Free browser tool
Interactive workspace
Use Heart Rate Zones
Healthcare
Heart Rate Zone Calculator
Calculate your 5 training zones using the Karvonen formula
Instant result Browser based
Your Details
Max Heart Rate190 bpm
Zone 1 – Warm Up128–140 bpm
Recovery, fat burning
Zone 2 – Fat Burn140–153 bpm
Aerobic base, endurance
Zone 3 – Aerobic153–165 bpm
Cardiovascular fitness
Zone 4 – Anaerobic165–178 bpm
Speed, performance
Zone 5 – Max Effort178–190 bpm
Peak power, VO2 max
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