Enter your age into the calculator below to determine your anaerobic heart rate in beats per minute.

## Anaerobic Heart Rate Formula

The following formula is used to calculate an anaerobic heart rate.

AHR = (220-A) * .85
• Where AHR is your anaerobic heart rate (BPM)

To calculate your estimated anaerobic heart rate, subtract your age from 200, then multiply by .85.

## Anaerobic Heart Rate Definition

An anaerobic heart rate is the heart rate of a person whose heart rate is at 80-90% of their max heart rate. This activity is defined as exercise that requires immediate energy from phosphates and glucose.

## Anaerobic Heart Rate Example

How to calculate an anaerobic heart rate?

1. First, determine your max heart rate.