Heart Rate Zone Calculator
Calculate heart rate training zones from age or max heart rate. Instant results for cardio workouts.
Loading tool…
Recommended next step
Continue with related tools
After using Heart Rate Zone Calculator, continue with Acceleration Calculator.
Continue this path
Tools selected to complete the same task.
Tool guide
Heart Rate Zone Calculator: how it works
Practical information to understand the result and use this tool correctly.
About Heart Rate Zone Calculator
Calculate heart rate training zones from age or max heart rate. Instant results for cardio workouts.
The tool runs directly in the browser for immediate results.
How to use it
- 1Enter the values you want to calculate or process.
- 2The result updates instantly on the same page.
- 3Copy, share, or export the result if the tool allows it.
Frequently asked questions
- Do I need to sign up?
- No. The tool works without an account.
- Are my data uploaded?
- Compatible operations run locally in the browser.
- How are heart rate zones calculated?
- Zones use percentages of maximum heart rate (220 - age, or your measured max). Zone 1: 50-60%, Zone 2: 60-70%, Zone 3: 70-80%, Zone 4: 80-90%, Zone 5: 90-100%.
- What if I know my max heart rate?
- Enter your measured max HR instead of age for more accurate zones. The tool prioritizes the max HR input when provided.