Math
Max Heart Rate Calculator
Privacy Verified
Calculate your maximum heart rate and personalized training zones (fat burn, cardio, peak) using your age and resting heart rate (Karvonen method). Free, private.
Privacy & Security
All processing happens locally in your browser — nothing is uploaded.
Data: None
Client-side-Side
Active
v1.0
How to Use
Enter your age and optional resting heart rate to see your max HR and training zones.
Disclaimer: This tool is provided "as is" without warranty of any kind. Results are for educational and utility purposes.
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