Heart Rate Reserve Calculator (HRR)

Enter your maximum heart rate and resting heart rate into the calculator to determine your heart rate reserve.

Heart Rate Reserve Formula

The following formula is used to calculate a heart rate reserve.

HRR = MHR – RHR

  • Where HRR is your heart rate reserve
  • MHR is your maximum heart rate
  • RHR is your resting heart rate

FAQ

What is heart rate reserve?

Heart rate reserve is simply defined as the difference between your maximum heart rate and resting heart rate. In general the larger the heart rate reserve, the better cardiovascular condition a person is in.

What is a good heart rate reserve?

Health individuals should shoot for heart rate reserves greater than 120 to be considered healthy.


Heart Rate Reserve Example

How to calculate heart rate reserve?

  1. First, determine your maximum heart rate.

    Using the calculator linked above, determine your maximum heart rate based on your age and gender.

  2. Next, determine your resting heart rate.

    Through either counting your beats per minute or using the calculator linked above, determine your resting heart rate.

  3. Finally, calculate your heart rate reserve.

    Subtract your resting heart rate from your maximum heart rate to determine your HRR.

heart rate reserve calculator
heart rate reserve formula

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