Heart Rate Zone Calculator
Find your max heart rate and training zones.
Max heart rate190 bpm
Warm up95–114 bpm
Fat burn114–133 bpm
Cardio133–152 bpm
Peak152–171 bpm
For general information only. Not medical advice — consult a professional.
How to use
Enter your values above and read the result instantly.
How it works
Everything is computed locally in your browser — nothing is uploaded.
Frequently asked questions
Is it free?
Yes, completely free with no limits.
Is my data private?
Yes, all processing happens in your browser.