Using the calculator
Enter Age, Resting heart rate, Zone method. Calculate training heart rate zones using age predicted maximum heart rate and the Karvonen heart rate reserve method.
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Heart Rate Zone Calculator
Calculate training heart rate zones using age predicted maximum heart rate and the Karvonen heart rate reserve method.
Enter your measurements and health details
Use current, consistently measured values for the heart rate zone calculation. Results update automatically and are intended for education and planning, not diagnosis.
bpm
Estimated max heart rate—
Zone 2 60 to 70%—
Zone 3 70 to 80%—
Zone 4 80 to 90%—
Zone 5 90 to 100%—
Important: Health results are educational screening and planning estimates. They are not a diagnosis and are not a substitute for medical care.
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How to use this calculator
Reading the result
The result shows training heart rate zones using age predicted maximum heart rate and the Karvonen heart rate reserve method.
Results are estimates based on the values entered. Review the Methodology and Calculator Disclaimer for important limitations.