iPhone 18 Pro vs iPhone 18 Pro Max size
The iPhone 18 Pro measures 150 x 71.9 x 8.75 mm and the iPhone 18 Pro Max measures 163.4 x 78 x 8.75 mm. The iPhone 18 Pro Max is the bigger phone. Its front covers 15.4% more area than the iPhone 18 Pro.
- iPhone 18 Pro211 g150 x 71.9 x 8.8 mm
- iPhone 18 Pro Max249 g163.4 x 78 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 18 Pro Max | Difference |
|---|---|---|---|
| Height | 150 mm 5.91 in | 163.4 mm 6.43 in | -13.4 mm (-8.2%) |
| Width | 71.9 mm 2.83 in | 78 mm 3.07 in | -6.1 mm (-7.8%) |
| Thickness | 8.75 mm 0.34 in | 8.75 mm 0.34 in | Same |
| Weight | 211 g 7.4 oz | 249 g 8.8 oz | -38 g (-15.3%) |
| Screen | 6.3 in | 6.9 in | -0.6 in (-8.7%) |
| Front footprint | 107.9 cm² | 127.5 cm² | -19.6 cm² (-15.4%) |
What the difference feels like
The iPhone 18 Pro Max is 6.1 mm wider, an obvious difference in the hand. If you use your phone one-handed, the iPhone 18 Pro will be easier to reach across.
In a jeans pocket the iPhone 18 Pro Max sits 13.4 mm higher, about 0.53 inches.
At 38 g heavier (1.3 oz), the iPhone 18 Pro Max is noticeably heftier when you hold it up to read.
Common questions
Is the iPhone 18 Pro bigger than the iPhone 18 Pro Max?
The iPhone 18 Pro Max is the bigger phone. Its front covers 15.4% more area than the iPhone 18 Pro. Height differs by 13.4 mm and width by 6.1 mm.
Will a iPhone 18 Pro Max case fit the iPhone 18 Pro?
No. A case is cut for one model's exact size, buttons and camera, and these two differ by 13.4 mm in height and 6.1 mm in width. Buy a case made for the iPhone 18 Pro.
Which is easier to use with one hand?
The iPhone 18 Pro, because it is 6.1 mm narrower. Width matters more than height for reaching across the screen with your thumb.
Cases and prices
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Sources
- iPhone 18 Pro: manufacturer spec page
- iPhone 18 Pro Max: manufacturer spec page
See each phone's page for the full spec: iPhone 18 Pro and iPhone 18 Pro Max.