iPhone 18 Pro Max vs iPhone 16 Pro size
The iPhone 18 Pro Max measures 163.4 x 78 x 8.75 mm and the iPhone 16 Pro measures 149.6 x 71.5 x 8.25 mm. The iPhone 18 Pro Max is the bigger phone. Its front covers 19.2% more area than the iPhone 16 Pro.
- iPhone 18 Pro Max249 g163.4 x 78 x 8.8 mm
- iPhone 16 Pro199 g149.6 x 71.5 x 8.3 mm
Outlines are drawn from published dimensions. Screen and camera shapes are simplified.
How the iPhone 18 Pro Max measures up
| Spec | iPhone 18 Pro Max | iPhone 16 Pro | Difference |
|---|---|---|---|
| Height | 163.4 mm 6.43 in | 149.6 mm 5.89 in | +13.8 mm (+9.2%) |
| Width | 78 mm 3.07 in | 71.5 mm 2.81 in | +6.5 mm (+9.1%) |
| Thickness | 8.75 mm 0.34 in | 8.25 mm 0.32 in | +0.5 mm (+6.1%) |
| Weight | 249 g 8.8 oz | 199 g 7.0 oz | +50 g (+25.1%) |
| Screen | 6.9 in | 6.3 in | +0.6 in (+9.5%) |
| Front footprint | 127.5 cm² | 107 cm² | +20.5 cm² (+19.2%) |
What the difference feels like
The iPhone 18 Pro Max is 6.5 mm wider, an obvious difference in the hand. If you use your phone one-handed, the iPhone 16 Pro will be easier to reach across.
In a jeans pocket the iPhone 18 Pro Max sits 13.8 mm higher, about 0.54 inches.
The iPhone 18 Pro Max is 0.5 mm thicker. Manufacturers measure thickness without the camera bump, so the real difference at the camera can be larger.
At 50 g heavier (1.8 oz), the iPhone 18 Pro Max is noticeably heftier when you hold it up to read.
Common questions
Is the iPhone 18 Pro Max bigger than the iPhone 16 Pro?
The iPhone 18 Pro Max is the bigger phone. Its front covers 19.2% more area than the iPhone 16 Pro. Height differs by 13.8 mm and width by 6.5 mm.
Will a iPhone 16 Pro case fit the iPhone 18 Pro Max?
No. A case is cut for one model's exact size, buttons and camera, and these two differ by 13.8 mm in height and 6.5 mm in width. Buy a case made for the iPhone 18 Pro Max.
Which is easier to use with one hand?
The iPhone 16 Pro, because it is 6.5 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 Max: manufacturer spec page
- iPhone 16 Pro: manufacturer spec page
See each phone's page for the full spec: iPhone 18 Pro Max and iPhone 16 Pro.