Health calculator
Target Heart Rate Zones Calculator
Estimate moderate and vigorous heart rate training zones from age.
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.
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?+
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?+
Estimate moderate and vigorous heart rate training zones from age.
How accurate is the Target Heart Rate Zones Calculator?+
Target Heart Rate Zones Calculator applies the formula and assumptions shown on this page. Results may be rounded for readability, so verify changing rates, thresholds, medical guidance, or legal rules with the cited source or a qualified professional.
What should I check before using the Target Heart Rate Zones Calculator result?+
Check that the units, dates, rates, and assumptions match your situation. Change one input at a time to understand which values have the largest effect on the result.
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.
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