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Use this heart rate calculator for a clear health & fitness estimate. Results update instantly in your browser.
What this calculator does
Estimate heart-rate training zones from age and resting heart rate.
How to use this calculator
- Enter age, resting heart rate, and intensity.
- Review the calculation assumptions before using the result.
- Zones describe relative exercise effort.
How to calculate
Estimated maximum heart rate = 220 − age.
Enter the values requested by the heart rate calculator.
Worked example
Use the default values as a worked example, then replace them with your own figures.
Understanding your result
Zones describe relative exercise effort.
- Medication and health conditions can affect heart rate.
- Double-check values and units before calculating.
This calculator is educational and is not financial or medical advice.
Frequently asked questions
What does this heart rate calculator do?
Estimate heart-rate training zones from age and resting heart rate.
How do I use this heart rate calculator?
Enter age, resting heart rate, and intensity.
What does the result mean?
Zones describe relative exercise effort.
What should I check before relying on it?
Medication and health conditions can affect heart rate.