Heart Rate Zones
Five training zones via Karvonen or % of max HR.
See how it works
Watch a quick simulation of this tool in action — no file needed.
How to use Heart Rate Zones
Follow these steps — everything happens instantly in your browser.
- 1
Step 1. Enter your age and resting heart rate.
- 2
Step 2. Pick a method: Karvonen (uses HRR) or % of max HR.
- 3
Step 3. Read your max HR and five zones with bpm ranges.
Why use this tool
Frequently asked questions
Everything you might want to know about heart rate zones.
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