iPhone 14 / 13 / 12 viewport size
390 × 844CSS px · 3× DPR · 1170×2532 physical
The iPhone 14 / 13 / 12 gives web pages a 390 × 844 CSS pixel viewport in portrait. That’s the width your layout and media queries actually see, not the 1170 × 2532 physical pixels of the screen: with a device pixel ratio of 3, every CSS pixel is 3 × 3 real pixels.
See your site on an iPhone 14 / 13 / 12
Paste your address (or localhost:3000). doesitfit shows it at exactly 390 × 844, with Safari (iOS 26)’s bars if you want them, and tells you if anything spills.
Free, no sign-up. Or ask Claude, ChatGPT or Codex to check it.
What a web page actually sees
The full viewport is 390 × 844, but the browser’s own bars take some of it. In Safari (iOS 26) a page gets about 390 × 703 on first load (47px status bar and Safari’s 94px bottom tab bar on first load; the bars shrink when you scroll). That’s your real “above the fold”. Use 100dvh instead of 100vh for full-height sections, or they’ll hide behind the toolbar (why).
| Setting | Width | Height |
|---|---|---|
| Full viewport (portrait) | 390px | 844px |
| Visible on first load (Safari (iOS 26)) | 390px | 703px |
| Landscape (full) | 844px | 390px |
What it means for your CSS
Breakpoints
At 390px: Tailwind uses base styles only (below sm, 640px); Bootstrap uses xs. In landscape (844px): Tailwind uses md (sm: md: styles apply), Bootstrap md.
Content width
With 16px of padding on each side your text column is 358px; with 24px it’s 342px. Text closer than 8px to the edge looks cramped (more).
Sharp images
A full-width image needs about 1170px of real pixels (390 × 3).
<img src="hero-1170.jpg" srcset="hero-800.jpg 800w, hero-1170.jpg 1170w" sizes="100vw" alt="…">
Styles for this width
Content-first breakpoints beat device lists, but if something breaks at this width:
@media (max-width: 390px) {
/* screens 390px wide and narrower */
}Other display size settings
The scaling the owner picks changes the viewport your site gets:
| Setting | CSS viewport | DPR |
|---|---|---|
| Default (Standard) (default) | 390 × 844 | 3 |
| Display Zoom: Larger Text | 320 × 693 | 3 |
How common is 390 × 844?
390 × 844 is the #3 most common phone screen size worldwide, with 6.83% of mobile traffic (Aug 2026, StatCounter).
Same viewport:
Close in size:
- iPhone 18 Pro 402×874
- iPhone 17 Pro 402×874
- iPhone 17 402×874
- iPhone 16 Pro 402×874
- iPhone 16 393×852
- iPhone 15 / 15 Pro 393×852
- iPhone 14 Pro 393×852
- Samsung Galaxy S26 Ultra 384×832
Compare:
Everything about the 390 × 844 viewport · All devices 390px wide · All iPhone sizes
Questions people ask
What is the viewport size of the iPhone 14 / 13 / 12?
390 × 844 CSS pixels in portrait (844 × 390 in landscape), with a device pixel ratio of 3. The screen itself is 1170 × 2532 physical pixels.
How much of the iPhone 14 / 13 / 12 screen does a web page get in Safari?
About 390 × 703 on first load: the 47px status bar and Safari’s 94px bottom tab bar on first load; the bars shrink when you scroll. Design your first screen for that height, not the full 844px.
Which CSS breakpoint does the iPhone 14 / 13 / 12 fall into?
At 390px wide, Tailwind CSS uses base styles only (below sm, 640px) and Bootstrap uses its xs tier. In landscape (844px) Tailwind uses md (sm: md: styles apply).
How wide should images be for the iPhone 14 / 13 / 12?
A full-width image needs about 1170px of real pixels (390 CSS px × DPR 3) to look sharp. Use srcset so smaller screens don’t download it.
How can I test my website on an iPhone 14 / 13 / 12 without one?
Open doesitfit.lol, paste your address (localhost works too) and pick the iPhone 14 / 13 / 12. It shows your site at exactly 390 × 844 CSS pixels and flags anything that spills past the edge.
Guides that help
- How much of the screen iPhone users actually see in SafariThe status bar and Safari take 156px of an iPhone 17 Pro's 874px screen. Visible heights for every current iPhone, and what it means for 100vh and dvh.Devices · 7 min read
- How to fix horizontal scrolling on mobile (12 causes)Page wobbles sideways on phones? The 12 usual causes of horizontal scrolling on mobile, a fix for each, and a console snippet that finds the culprit fast.Fixes · 9 min read
- What is a viewport? CSS pixels vs screen resolutionA viewport is the area your page is laid out in, measured in CSS pixels, not screen pixels. See real numbers from iPhones and MacBooks, then check yours.Guides · 8 min read
About these numbers
Confidence: High: confirmed by more than one independent source.
Sources include DeviceAtlas, Chrome DevTools device list (EmulatedDevices.ts), iosref.com, ios-resolution.com. Researched September 2026.