Apple
iPhone 18
- 6.3-inch
- 170–179 g
Physical specifications
6.3"
Display size
170–179 g
Weight
147.6 mm
Height
71.6 mm
Width
7.8 mm
Thickness
—
Aspect ratio
Everyday usability
Estimated from device dimensions and weight.
One-handed use
ComfortableIts width suits comfortable one-handed reach for many users.
Pocket friendliness
ExcellentIts footprint fits standard pockets more easily than larger phones.
Carry comfort
LightFeels light to carry relative to typical devices in its class.
Reading and media
Better for quick glances and messaging than long reading or video.
Gaming
Insufficient dataThe available specifications are not detailed enough to assess demanding-game performance reliably.
See its real size next to another phone or tablet.
Open size comparisonDisplay
- Display size
- 6.3"
Release and pricing
- Announced
- January 1, 2026
Buying guide FAQ
Practical upgrade and buying answers based on published specifications and previous-generation comparisons when available.
Who should buy Apple iPhone 18 (2026)?
Apple iPhone 18 (2026) fits buyers who prefer a compact phone footprint. This is an editorial reading of size and published differences, not a personalized recommendation.
Similar size devices
Latest Insight

iPhone 18 Pro Size: Expected Dimensions and Thickness
Expected iPhone 18 Pro dimensions and thickness explained: Pro vs Pro Max size differences, camera bump impact, and iPhone 17 Pro comparison. Unconfirmed.
Dimensions and specifications are based on manufacturer-published data. Learn more in our Methodology


