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Measure dimensions with iPhone

Use the Measure app and your iPhone camera to measure nearby objects. iPhone automatically detects the dimensions of rectangular objects, or you can manually set the start and end points of a measurement.

A framed photograph is measured, with its width showing at the bottom edge. The Take Picture button is in the lower-right corner.

For best results, use Measure on well-defined objects located 0.5 to 3 meters (2 to 10 feet) from iPhone.

Note: Measurements are approximate.

Start a measurement

  1. Open Measure , then use the iPhone camera to slowly scan nearby objects.

  2. Position iPhone so that the object you want to measure appears on the screen.

Take an automatic rectangle measurement

  1. When iPhone detects the edges of the rectangular object, a yellow box frames the object; tap the yellow box to see the dimensions.

  2. To take a photo of your measurement, tap the Take Picture button.

Take a manual measurement

  1. Align the dot at the center of the screen with the point where you want to start measuring, then tap the Add button.

  2. Slowly pan iPhone to the end point, then tap the Add button to see the measured length.

  3. To take a photo of your measurement, tap the Take Picture button.

  4. Take another measurement, or tap Clear to start over.

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