Target Heart Rate Calculator
Estimate your maximum heart rate and training zones using the Karvonen method.
- Free
- No signup
- Private: runs in your browser
- Works on mobile
For general information only. This is not medical advice. Please consult a doctor for personal health decisions.
Target Heart Rate Calculator tool
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Example
With the default values shown in the tool, the results look like this:
- Maximum heart rate
- 190 bpm
- Fat burn (50-60%)
- 130 to 142 bpm
- Cardio (60-80%)
- 142 to 166 bpm
- Peak (80-90%)
- 166 to 178 bpm
How to use Target Heart Rate Calculator
- Enter your values in the fields above.
- The result updates instantly as you type or change an option.
- Copy the result or note it down. Nothing is saved on our servers.
Why use DocConvertPRO?
- Free to use with no signup or watermark.
- Everything runs in your browser. Your input is not uploaded.
- Works on phones, tablets and computers.
- Made for Indian users: rupees, lakh/crore formats and local use cases.
About this tool
Max heart rate ≈ 220 − age. Zones use heart-rate reserve (max minus resting).
This tool is for general information and is not medical advice. Consult a doctor for health decisions.
Frequently asked questions
How do I measure resting heart rate?
Count your pulse for a minute right after waking.
Is 220 − age exact?
It is an estimate.
Which zone burns fat?
Moderate zones; total energy matters more.