Method
Applies five broad percentage bands to the entered maximum rate.
Health / browser tool
Heart Rate Zone Calculator
Estimate broad exercise heart-rate zones from a maximum rate.
A simple five-zone fitness reference, not medical guidance.
Your inputs stay on your device
Estimate heart-rate zones
live resultbpm
Zone 1
Zone 2
Zone 3
Zone 4
Zone 5
Fitness reference only, not medical guidance. Stop if you feel pain or unwell and use qualified coaching for exercise programming.
Context & Reference
How it works
For a simple fitness reference based on a known maximum heart rate.
calculator guideHow to use it
Use this calculator with your own values, then review the clearly labelled result and copy it when you need it elsewhere.
Understand the result
Each zone is shown as a beats-per-minute range.
Example
View zones for a maximum heart rate of 190 bpm.
Practical tip
This is not medical guidance; maximum rate and intensity vary.
Notes
This calculator runs locally in this browser. This is not medical guidance; maximum rate and intensity vary.
Helpful answers
Frequently Asked Questions
A few useful details beyond the guide above.
Use a maximum-rate value that is appropriate for you rather than treating a rough age-based estimate as exact. Because the zones depend on that input, the result is only a broad fitness reference and not medical guidance.
Useful next steps
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