iPhone widths by model: quick reference
The width of an iPhone depends on the specific model. Here are the verified approximate widths for each recent iPhone model to help you compare at a glance.
| Model | Width (mm) | Width (inches) | Typical use case or note |
|---|---|---|---|
| iPhone 16 / 16 Plus | 71.5 mm | 2.81 in | Standard-width successor to iPhone 15 |
| iPhone 16 Plus | 71.5 mm | 2.81 in | Same width as iPhone 16 with larger display |
| iPhone 16 Pro / Pro Max | 70.6 mm | 2.78 in | Titanium frames, slightly narrower than standard iPhone 16 |
| iPhone 15 / 15 Plus | 71.5 mm | 2.81 in | Same width as iPhone 16 series |
| iPhone 15 Plus | 71.5 mm | 2.81 in | Same width as iPhone 16; larger screen in similar body |
| iPhone 15 Pro / Pro Max | 70.6 mm | 2.78 in | Titanium design; consistent width across Pro models |
| iPhone 14 / 14 Plus | 71.5 mm | 2.81 in | Width unchanged from predecessors |
| iPhone 14 Plus | 71.5 mm | 2.81 in | Same width as iPhone 16/15 Plus variants |
| iPhone 14 Pro / Pro Max | 70.6 mm | 2.78 in | Continues Pro design language with titanium |
| iPhone 13 / 13 mini / 13 Pro / 13 Pro Max | 71.5 mm (mini and standard) 70.6 mm (Pro models) | 2.81 in (mini/standard) 2.78 in (Pro) | Mini and standard share width; Pro width consistent across sizes |
| iPhone 12 / 12 mini / 12 Pro / 12 Pro Max | 71.5 mm (mini and standard) 70.9 mm (Pro) | 2.81 in (mini/standard) 2.79 in (Pro) | Slight variation between standard and Pro widths |
| iPhone 11 / 11 Pro / 11 Pro Max | 71.5 mm (standard) 71.0 mm (Pro) 70.1 mm (Pro Max) | 2.81 in (standard) 2.80 in (Pro) 2.76 in (Pro Max) | Width decreases slightly with larger Pro displays |
| iPhone XS / XS Max | 70.9 mm (XS) 77.3 mm (XS Max) | 2.79 in (XS) 3.04 in (XS Max) | Clear separation between standard and Max widths |
| iPhone X | 70.9 mm | 2.79 in | Introduced modern edge-to-edge design |
| iPhone 8 / 8 Plus | 70.9 mm (8) 77.8 mm (8 Plus) | 2.79 in (8) 3.06 in (8 Plus) | Last models with thicker bezels before OLED shift |
| iPhone 7 / 7 Plus | 70.9 mm (7) 77.8 mm (7 Plus) | 2.79 in (7) 3.06 in (7 Plus) | Widths established prior to major redesign |
| iPhone 6s / 6s Plus | 70.9 mm (6s) 77.9 mm (6s Plus) | 2.79 in (6s) 3.07 in (6s Plus) | Thin precision-machined 7000-series aluminum |
| iPhone 6 / 6 Plus | 70.0 mm (6) 77.3 mm (6 Plus) | 2.76 in (6) 3.04 in (6 Plus) | Earlier large-screen transition |
| iPhone 5s / 5c | 70.0 mm | 2.76 in | Shared width with minor design differences |
| iPhone 5 | 69.0 mm | 2.72 in | Smaller predecessor to 5s |
| iPhone 4S | 67.0 mm | 2.63 in | Earlier classic design |
| iPhone 4 | 67.0 mm | 2.63 in | Original iPhone 4-era dimensions |
Why iPhone widths vary
Manufacturers adjust iPhone width to balance display size, ergonomics, and internal component layout. Wider models typically pair larger screens with similar hand-held widths when comparing standard versus Plus variants, while Pro models may trim fractions of a millimeter by using advanced materials and slimmer assemblies. Changes in frame materials, such as aluminum to stainless steel or titanium, and shifts to edge-to-edge displays also influence the final dimension. Understanding these tradeoffs explains why two phones with similarly named sizes, like "Plus" or "Pro Max," may feel different in your hand despite sharing a label.
How to measure iPhone width accurately
For the most reliable number, consult the manufacturer’s specifications published on the official Apple website or in regulatory documentation such as FCC filings. These sources list exact millimeter and inch measurements for each model’s broadest point, typically measured between the left and right edges of the device. Measure with the device in its standard, closed position, and confirm units and rounding, since advertised figures may differ slightly from raw technical specs.
Practical measuring tips
- Use a digital caliper for precision, or a metric ruler for millimeter accuracy.
- Measure across the back, excluding any camera bump, for a consistent and reproducible width.
- Confirm whether the measurement includes or excludes the case, as bumpers and accessories can add several millimeters.
How iPhone width affects usability
Width is one of the most important ergonomic factors when choosing a phone. A narrower device is generally easier to use with one hand and slips into pockets more comfortably, while a wider device often enables a larger screen for media, gaming, and multitasking. If you frequently switch between devices, you’ll notice how small differences accumulate throughout the day. Consider your grip comfort, preferred usage scenarios, and whether you often use accessories such as wallets or holders when evaluating width.
Matching width to your needs: practical guidance
When choosing an iPhone, width should be evaluated alongside screen size, intended use, and comfort. If one-hand use is a priority, favor narrower models; if you want more screen for videos and apps, a standard width with a larger display may be preferable. Try devices in person when possible, and compare them with cases you intend to use. Remember that width is only one factor; battery life, camera quality, performance, and ecosystem integration also play crucial roles in long-term satisfaction.
Common myths about iPhone dimensions
Not every assumption about iPhone sizing is accurate. For example, two devices marketed with similar names may differ in width by a few millimeters due to design changes. Case fit can be model-specific, and not all "universal" cases work perfectly across generations. Always verify exact dimensions before purchasing accessories or comparing devices side by side to avoid surprises.
Frequently asked questions
- What is the narrowest recent iPhone? Pro models from 12 onward and 15/16 Pro series are typically the narrowest options in their respective lines.
- Does adding a case change the width significantly? Yes; cases, bumpers, and screen protectors can add 1–4+ mm depending on design choices.
- Why do some iPhones feel narrower despite having the same screen size? Differences in frame material, bezel thickness, and internal layout affect perceived and actual width.