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Use iPhone as a level
Use your iPhone to determine whether an object near you is level (parallel to the ground), or how many degrees it varies from level (measurements are approximate).
![The level screen in the Measure app. On the top, iPhone is tilted at an angle of 10 degrees; on the bottom, iPhone is level.](https://help.apple.com/assets/6758C14AEA2BBD75D7023772/6758C150890517C4260090D6/en_US/507c65ba2d39dc94abca079b151223e8.png)
Go to the Measure app
(in the Utilities folder) on your iPhone.
Tap Level, then hold iPhone against an object, such as a picture frame.
Make an object level: Rotate the object and iPhone until you see green.
Match the slope: Tap the screen to capture the slope of the first object. Hold iPhone against another object and rotate both of them until the screen turns green.
To reset the level, tap the screen again.
See alsoMeasure dimensions with iPhone