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Heart rate zone calculator
Your maximum heart rate and five training zones.
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- No sign-up
- Works on any device
About Heart rate zone calculator
Estimate your maximum heart rate and five training zones from your age. The common formula is 220 minus age, and zones are percentages of it, from 50 to 60 percent for easy recovery to 90 to 100 percent for maximal effort. Zone 2 is the steady pace for building endurance.
How to use Heart rate zone calculator
- Enter your numbers above.
- The result updates instantly as you type.
- Change any value to compare different cases.
Why use this tool?
- Private: everything happens in your browser. Nothing you enter is uploaded.
- Free, with no sign-up, no watermark and no limit on how often you use it.
- Works on phones, tablets and computers: Android, iPhone, Windows, Mac and Linux. Nothing to install.
- Available in 10 languages.
Also known as
Frequently asked questions
Is 220 minus age an accurate max heart rate?
It is an average and can be off by 10 to 20 beats for an individual. A supervised max test gives a truer number.
Is Heart rate zone calculator free?
Yes. Heart rate zone calculator on Toolipedia is free to use, with no sign-up and no watermark.
Is it safe to use?
Yes. Everything is worked out in your browser, and nothing you enter is sent to our server.
Does it work on my phone?
Yes. It works in any modern browser on Android and iPhone, as well as on tablets and computers. There's nothing to install.
Do I need an account?
No. Just open the page and use the tool. There's no sign-up and no email needed.