â¤ī¸ Heart Rate Zones
See your maximum heart rate and training zones for your age.
Results are estimates for information only and are not medical advice. See our disclaimer.
How to use the Heart Rate Zones
- Enter Age.
- The result updates instantly as you type.
- Copy or note down your result.
How it works
Max heart rate = 220 - age; each zone is a percentage of that maximum.
Example
Using the default values (Age: 30):
Max HR190 bpm
Warm-up (50-60%)95â114 bpm
Fat burn (60-70%)114â133 bpm
Cardio (70-85%)133â162 bpm
FAQ
Is the Heart Rate Zones free to use?
Yes. It is free, needs no signup and has no usage limits.
Is my data safe?
Yes. Everything is calculated in your browser, so what you type or upload is never sent to a server.
Can I use it on my phone?
Yes. KsWebProduction is built mobile-first and works in any modern browser.