Apple Watch includes a heart rate screen to help assist you through your workout sessions, tracking your heart rate while you exercise to much better determine the quantity of calories you burn during your activities.

The monitor also immediately attempts to determine your heart rate every 10 minutes, however doesn’t tape the information if your arm is moving. That is why your Health app doesn’t reflect a reading at every 10 minutes on the dot, but shows varying intervals of readings.

Apple Watch Heart Rate Monitor 1
If you wish to get a quick, accurate measurement of your heart rate manually you can do so in Glances.

The heart rate sensing unit is on the backside of the Apple Watch case and is comprised of two various sets of unique lights that keep an eye on the blood circulation through your wrist. Since the sensors take in light through your skin, there are a couple of factors that influence the accuracy of a heart rate reading.

Apple Watch Heart Rate Sensor 2
By following a couple of ideas, along with calibrating Apple Watch for exercises, you will certainly get a better heart rate reading, thus improving the device’s ability to more identify the number of calories you burn.

An Appropriate Fit

As easy as it sounds, an excellent fit is key to obtaining an accurate heart rate reading. Some people do not such as the way it feels to have their watch snug on their wrist, however for the functions of an appropriate reading, you’ll have to keep it tight. When you hold your wrist out, there need to be no space in between Apple Watch and your skin.

Apple Watch Correct Fit
If the sensation is just too unpleasant for you to wear the device snug to your wrist, it might be a smart idea to adjust the band in a different way for different activities. If you are exercising, tighten it up one notch up until you are done.

Avoid Cold Weather Workouts

The heart rate sensing unit is affected by just how much blood flows through your skin. In cold weather condition, we have the tendency to produce less blood flow near the surface area of the skin as the blood is rerouted to warm more important parts of our bodies (it is why our fingers and noses get so cold). Some individuals delight in jogging in the snow, but remember that this might have an affect on an accurate heart rate reading from your Apple Watch.

Prevent Irregular Motion

Apple Watch gets a much better reading when you’ve adjusted it by walking or running for 20 minutes. It tracks the rhythm of your movement and changes its information appropriately.

However, irregular movement, like playing tennis or boxing, will confuse the sensor and lower its precision. So, for such workouts that have you swinging your arms hugely, realize that your heart rate reading might not be as precise as you would like.


If, for some factor, the heart rate screen on your Apple Watch stops working, you may require to reboot or reset the device.

Apple Watch Erase All Settings

  1. Press and hold the Side button up until the power off slider bar appears and move it to turn off Apple Watch.
  2. Press and hold the Side button once more until the Apple Watch logo appears.

If that does not work, try resetting your Apple Watch.

  1. On Apple Watch, open the Settings app and tap General.
  2. Tap Reset. Then tap “Erase All Content and Settings.”
  3. Re-pair Apple Watch with your iPhone.

Although it is not a specific science, the heart rate monitor on Apple Watch is an useful method of tracking your activities and getting a better estimate on how numerous calories you burn. Following the ideas above will enhance precision of the light-absorbing sensors.

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