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Karvonen HR Zones

Calculate Karvonen HR Zones instantly with the exact formula and a worked example.

Karvonen HR Zones

Age
Resting HR
Zone 4 (80%)
164bpm
Z1: 125, Z2: 138, Z3: 151, Z5: 177Calculate Karvonen HR Zones instantly with the exact formula and a worked example.

More about: Karvonen HR Zones

What it calculates

The “Karvonen HR Zones” calculator computes Zone 4 (80%) in bpm from 2 parameters: age, resting hr.

A study aid and exam-prep helper.

Example calculation

With parameters Age = 30, Resting HR = 60 the result is 164 bpm (Z1: 125, Z2: 138, Z3: 151, Z5: 177).

How to use

  1. Enter age and resting hr — each field above is adjustable with a slider.
  2. Zone 4 (80%) (bpm) is calculated automatically as you type.
  3. Check the worked example below to see the formula applied to real numbers.
  4. Copy the result or bookmark this calculator.

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FAQ

How is Karvonen HR Zones calculated?
The Karvonen HR Zones calculator computes Zone 4 (80%) (in bpm) from age, resting hr. Enter your values above and the exact formula is applied instantly; a worked example with real numbers is shown below.
Is the Karvonen HR Zones calculator free?
Yes. It is completely free, needs no signup, runs entirely in your browser, and sends no data to any server.

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