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❤️ Heart Rate Zones

Calculate your training zones

190 bpm
Maximum Heart Rate
📊 Your Training Zones
Zone 0 - Recovery
Light walking, warm-up/cool-down
50-60%
Zone 1 - Fat Burn
60-70% - Light cardio, fat burning
120-133 bpm
Zone 2 - Aerobic
70-80% - Endurance building
133-147 bpm
Zone 3 - Tempo
80-90% - Improves efficiency
147-160 bpm
Zone 4 - Threshold
90-100% - High intensity
160-171 bpm
Zone 5 - VO2 Max
100%+ - Maximum effort
171+ bpm
⚠️ Medical Disclaimer

Consult a physician before starting any exercise program. Stop if you experience chest pain, dizziness, or shortness of breath.

📚 Evidence & Guidelines Class IIa Recommendation
★★★★☆ (1957)
Citation: Karvonen MJ, Kentala E, Mustala O. The effects of training on heart rate; a longitudinal study. Ann Med Exp Biol Fenn. 1957;35(3):307-315.
Guideline: Karvonen Formula
📖 View on PubMed

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