Heart Rate Zone Calculator
Calculate all 5 heart rate training zones from age and resting HR.
✓ Free · Instant Results · No Signup · Private
Body & Wellness
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About This Calculator
This free heart rate zone calculator provides instant, evidence-based results directly in your browser. No data is sent to our servers — all calculations are 100% private. Results are for educational and informational purposes only and are not a substitute for professional medical, financial, or legal advice.
Last updated: April 2026 · Evidence-based methodology · For educational purposes only