iPhone 18 Pro vs iPhone 17 Pro size
The iPhone 18 Pro measures 150 x 71.9 x 8.75 mm and the iPhone 17 Pro measures 150 x 71.9 x 8.75 mm. The iPhone 18 Pro and iPhone 17 Pro take up almost exactly the same space in your hand.
- iPhone 18 Pro211 g150 x 71.9 x 8.8 mm
- iPhone 17 Pro206 g150 x 71.9 x 8.8 mm
Outlines are drawn from published dimensions. Screen and camera shapes are simplified.
How the iPhone 18 Pro measures up
| Spec | iPhone 18 Pro | iPhone 17 Pro | Difference |
|---|---|---|---|
| Height | 150 mm 5.91 in | 150 mm 5.91 in | Same |
| Width | 71.9 mm 2.83 in | 71.9 mm 2.83 in | Same |
| Thickness | 8.75 mm 0.34 in | 8.75 mm 0.34 in | Same |
| Weight | 211 g 7.4 oz | 206 g 7.3 oz | +5 g (+2.4%) |
| Screen | 6.3 in | 6.3 in | Same |
| Front footprint | 107.9 cm² | 107.9 cm² | Same |
What the difference feels like
The two are within a fraction of a millimetre of each other in width, which is the measurement your grip notices most, so they should feel close to the same in the hand.
Height is almost identical, so they sit the same in a pocket.
The iPhone 18 Pro is 5 g heavier, which most people will not notice day to day.
Common questions
Is the iPhone 18 Pro bigger than the iPhone 17 Pro?
The iPhone 18 Pro and iPhone 17 Pro take up almost exactly the same space in your hand. Height differs by 0 mm and width by 0 mm.
Will a iPhone 17 Pro case fit the iPhone 18 Pro?
Their bodies are within 0.3 mm of each other, so some cases may fit both, but button and camera cutouts are designed per model. Only buy a case that lists the iPhone 18 Pro by name.
Which is easier to use with one hand?
They are the same width, so neither has an edge for one-handed reach. The shorter phone makes the top corners a little easier to reach.
Cases and prices
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Sources
- iPhone 18 Pro: manufacturer spec page
- iPhone 17 Pro: manufacturer spec page
See each phone's page for the full spec: iPhone 18 Pro and iPhone 17 Pro.