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

Open Measure , then use the iPhone camera to slowly scan nearby objects.
Position iPhone so that the object you want to measure appears on the screen.

Take an automatic rectangle measurement

When iPhone detects the edges of the rectangular object, a yellow box frames the object; tap the yellow box to see the dimensions.
To take a photo of your measurement, tap .

Take a manual measurement

Align the dot at the center of the screen with the point where you want to start measuring, then tap .
Slowly pan iPhone to the end point, then tap to see the measured length.
To take a photo of your measurement, tap .
Take another measurement, or tap Clear to start over.

Helpful?

iPhone User Guide

Measure dimensions with iPhone

Start a measurement

Take an automatic rectangle measurement

Take a manual measurement