How to measure your height with iPhone 12 Pro or 12 Pro Max

How to measure a person’s height with iPhone

iPhone 12 models have managed to surprise us with a lot of exciting features. With the LiDAR scanner available with iPhone 12 Pro and Pro Max, you can now measure a person’s height from the floor to the top of their head using the Measure app. Also, if you’re seated on a chair, it will measure a person’s seated height. The iPhone’s Measure app precisely measures your height with the help of your camera. Let us understand how.

The feature is only available with a lidar scanner, ie the iPhone 12 Pro, 12 Pro Max, and iPad Pro 12.9 inch, iPad Pro 11-inch (2nd gen)

How to measure a person’s height with iPhone 12 Pro

  1. Make the person stand in good lighting.
  2. Open the Measure app on your iPhone 12 Pro or Pro Max.Open Measure app on your iPhone 12 Pro
  3. Wait for a few moments; you will see white lighting appear at the top of a person’s head.Height will appear at the top of a person’s head on iPhone 12 Pro
  4. Take a photo of the measurement by tapping on it.
  5. You can also tap the screenshot in the lower-left corner to save the photo. Tap Done, then choose Save to Photos or Save to Files.
  6. When the person moves from the lens, the height will reset itself, and your iPhone is ready to measure the next person’s height. 


  • You can also measure a person’s seated height using the app.
  • Avoid dark backgrounds and reflecting surfaces.
  • Do not stand too close to the person; else, the height will not be accurate.
  • Ensure the person’s height you are measuring has not covered his head with a facemask, glasses, or any object of that sort.

Is the measured height on iPhone 12 Pro accurate? 

With all the experiences that I had, the precision took me by surprise, for they were almost perfect; let’s call it a 99.9% accuracy. The Measure app uses augmented reality (AR) to turn your devices into a tape measure. LiDAR scanner + AR lets you gauge the height of the person standing in front of you. Not just that, you can also use the Measure app to get accurate dimensions of several objects; horizontally and vertically.

How accurate was your height measured on your iPhone?

My experience with the technology was satisfactory; I am convinced with the precision. I’d recommend sticking to conventional methods if you need to submit your height professionally for an event. Other than that, the results obtained super satisfactory; I mean, who isn’t surprised by the LiDaR’s functionalities.

How does this feature turn out for you? Let me know in the comment section below.

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