B2B Agency Live AI

Heart Rate Zones Calculator

Enter your age and resting heart rate to calculate your five training zones in beats per minute.

Method used: Karvonen heart rate reserve formula.

Your 5 training zones

Add your details to see your zones.

Zone 1 — Recovery
Zone 2 — Easy aerobic
Zone 3 — Moderate pace
Zone 4 — Threshold
Zone 5 — High intensity
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