Heart Rate Zone Calculator
Determine your exercise heart rate zones quickly and accurately using our free online calculator, perfect for athletes and fitness enthusiasts.

Check It Yourself
About This Tool
The Heart Rate Zone Calculator helps you find your target exercise intensity zones based on your age and resting heart rate. By inputting simple data, the tool computes your maximum heart rate (HRmax) using established formulas and then determines five key workout zones—ranging from light activity to maximum effort. These zones are tailored to help you structure effective training sessions, monitor progress, and prevent overtraining.
Whether you're a beginner, an experienced athlete, or a health professional, this calculator provides instant, reliable results. It visually displays each zone with distinct color coding and detailed bpm ranges, making it easy to plan workouts and track improvements over time.
The tool is user-friendly, responsive, and suitable for desktop and mobile devices. Additional features include result sharing, resetting inputs, optional data history, and multi-language support. Accurate zone calculation can enhance training sessions, improve endurance, and ensure safety during intense workouts.
How to Use
1. Enter your age in years.
2. Input your resting heart rate in bpm.
3. Click the 'Calculate' button.
4. View your heart rate zones with recommended bpm ranges and activity descriptions.
5. Use your zones for planning workouts or monitor your fitness progress.

FAQs/Additional Resources
Find Quick Answers
How is my HRmax calculated?
What are heart rate zones used for?
Can I use the tool if I’m on medication?
Is resting heart rate measurement important?
Can I save my results?
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