Heart Rate Zone Calculator — Training Bands
Find your target heart rate zones for training
How to Use Heart Rate Zones Calculator
Find your target heart rate zones for training No signup, and nothing gets uploaded for most use.
- 1
Enter your numbers in the input fields.
- 2
Choose the calculation options or frequency.
- 3
The result updates instantly as you type.
- 4
Review the breakdown, chart, or schedule, and copy the answer.
Why you might like it
- Nothing to upload — the work happens on your device.
- Free with no signup, no watermarks, and no daily limits.
- Works in any modern browser on any device — nothing to install.
- Usually done in a few seconds, so it doesn't get in your way.
Frequently Asked Questions
Which heart rate zone burns the most fat?▾
The 'fat burn' zone (60–70% of max HR) burns a higher proportion of calories from fat, while higher zones burn more total calories overall.
Is 220 − age accurate?▾
It is a commonly used estimate that works well for most people but can vary by up to 15 bpm. A lab or field test gives a truly personalized max heart rate.
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