Health calculator
Target Heart Rate Zones Calculator
Estimate moderate and vigorous heart rate training zones from age.
FormulaMax HR = 220 - age; zones are percentages of max HR
Formula
Heart rate zone estimate
Heart rate targets are general estimates. Ask a clinician before changing exercise intensity if you have health concerns.
Max HR = 220 - age; zones are percentages of max HR
Moderate is often 50-70% of estimated max heart rate.
FAQ5 common questions for this calculator.
FAQs
How is max heart rate estimated?+
The quick estimate uses 220 minus age, which is a broad rule of thumb.
How does the Target Heart Rate Zones Calculator calculate the result?+
For the Target Heart Rate Zones Calculator, it uses the Heart rate zone estimate: Max HR = 220 - age; zones are percentages of max HR. Moderate is often 50-70% of estimated max heart rate.
What information do I need to use the Target Heart Rate Zones Calculator?+
For the Target Heart Rate Zones Calculator, enter age. Keep the units consistent with the calculator fields and compare your setup with the worked example on the page.
How accurate is the Target Heart Rate Zones Calculator?+
Target Heart Rate Zones Calculator is only as accurate as the age entered. It applies the Heart rate zone estimate shown on this page, then rounds for readability. Treat the output as screening guidance rather than a diagnosis.
What should I check before using the Target Heart Rate Zones Calculator result?+
For the Target Heart Rate Zones Calculator, check age, unit choices, and whether the calculator's assumptions fit the person being assessed. Use the result as screening or planning context, not as a diagnosis.
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Health guide
How to use the Target Heart Rate Zones Calculator
Estimate moderate and vigorous heart rate training zones from age. The page also explains the heart rate zone estimate and shows a practical example: Moderate is often 50-70% of estimated max heart rate.
- 1
Enter your details
Enter age, then complete any other fields shown in the calculator.
- 2
Check the calculation
Review the result alongside the heart rate zone estimate: Max HR = 220 - age; zones are percentages of max HR.
- 3
Compare scenarios
Change one or more inputs to see how they affect the target Heart Rate Zones Calculator result before you use the estimate.