Target Heart Rate Calculator (%HRmax)
Simple percent-of-max training targets across the five standard zones — the gym-poster method done right.
Percent-of-max is the simplest zone method but ignores your resting HR — two people with HRmax 190 but resting rates of 45 and 75 are in very different states at '70%'. For personalised zones use the Karvonen tool, which anchors on heart-rate *reserve* instead.
Formula
For general information only — not medical or training advice. Estimates vary between individuals; consult a qualified professional before changing your exercise or nutrition routine.
Simple percent-of-max training targets across the five standard zones — the gym-poster method done right. The Target Heart Rate Calculator (%HRmax) is a free, private target heart rate tool — every result computes instantly in your browser with no sign-up and no data upload.
About Target Heart Rate Calculator (%HRmax)
Percent-of-max is the simplest zone method but ignores your resting HR — two people with HRmax 190 but resting rates of 45 and 75 are in very different states at '70%'. It applies target = HRmax × intensity %. Use the Target Heart Rate Calculator (%HRmax) to get an instant, clearly-explained result with the working shown step by step — free, private and with the source method cited.
How to use Target Heart Rate Calculator (%HRmax)
- 1Enter your details in the Target Heart Rate Calculator (%HRmax) input fields above.
- 2The result updates instantly with the working and reference bands shown.
- 3Adjust any value to explore how it changes the outcome — it's free and unlimited.
Why use Target Heart Rate Calculator (%HRmax)?
- ✓Instant target heart rate result that recomputes as you type — no waiting, no page reloads
- ✓100% client-side: your health data never leaves your browser
- ✓Shows the actual formula and your numbers substituted in, so you can see exactly how the result is reached
- ✓Based on published, citable sources (ACSM Guidelines for Exercise Testing and Prescription, 11th ed.)
- ✓Free forever with no sign-up, account or app install
Frequently asked questions
How does the Target Heart Rate Calculator (%HRmax) work?+
Percent-of-max is the simplest zone method but ignores your resting HR — two people with HRmax 190 but resting rates of 45 and 75 are in very different states at '70%'. The calculation uses the formula: target = HRmax × intensity %. Everything runs instantly in your browser as you type — your inputs are never uploaded.
Is the Target Heart Rate Calculator (%HRmax) accurate, and what is it based on?+
The method is traceable to authoritative sources: ACSM Guidelines for Exercise Testing and Prescription, 11th ed.. Results are estimates — individual variation always applies, so treat the output as a well-grounded starting point.
Is the Target Heart Rate Calculator (%HRmax) free and private?+
Yes. It's completely free with no sign-up, and all computation happens locally in your browser, so none of your health data ever leaves your device.
Can I use this for medical decisions?+
This tool is for general fitness information only, not medical or training advice. Consult a professional before changing your routine.
What can I use the Target Heart Rate Calculator (%HRmax) for?+
It's commonly used for target heart rate, training heart rate, 70 percent max heart rate. Simple percent-of-max training targets across the five standard zones — the gym-poster method done right.
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