Chromebook 11–14″ HD viewport size
1366 × 768CSS px · 1× DPR · 1366×768 physical
By default the Chromebook 11–14″ HD gives a full-screen web page a 1366 × 768 CSS pixel viewport, drawn on a 1366 × 768 pixel panel (device pixel ratio 1). That’s the size your media queries see.
See your site on a Chromebook 11–14″ HD
Paste your address (or localhost:3000). doesitfit shows it at exactly 1366 × 768, with Chrome (ChromeOS)’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 1366 × 768, but the browser’s own bars take some of it. In Chrome (ChromeOS) a page gets about 1366 × 633 on first load (Chrome’s 87px tab strip + toolbar and a 48px shelf (estimate)). That’s your real “above the fold”.
| Setting | Width | Height |
|---|---|---|
| Full viewport | 1366px | 768px |
| Visible on first load (Chrome (ChromeOS)) | 1366px | 633px |
What it means for your CSS
Breakpoints
At 1366px: Tailwind uses xl (sm: md: lg: xl: styles apply); Bootstrap uses xl.
Content width
With 16px of padding on each side your text column is 1334px; with 24px it’s 1318px. Text closer than 8px to the edge looks cramped (more).
Sharp images
A full-width image needs about 1366px of real pixels (1366 × 1).
<img src="hero-1366.jpg" srcset="hero-800.jpg 800w, hero-1366.jpg 1366w" sizes="100vw" alt="…">
Styles for this width
Content-first breakpoints beat device lists, but if something breaks at this width:
@media (max-width: 1366px) {
/* screens 1366px wide and narrower */
}How common is 1366 × 768?
1366 × 768 is the #3 most common desktop screen size worldwide, with 5.25% of desktop traffic (Aug 2026, StatCounter).
Same viewport:
Everything about the 1366 × 768 viewport · All devices 1366px wide · All Chromebooks sizes
Questions people ask
What is the viewport size of the Chromebook 11–14″ HD?
1366 × 768 CSS pixels, with a device pixel ratio of 1. The screen itself is 1366 × 768 physical pixels.
How much of the Chromebook 11–14″ HD screen does a web page get in Chrome?
About 1366 × 633 on first load: the Chrome’s 87px tab strip + toolbar and a 48px shelf (estimate). Design your first screen for that height, not the full 768px.
Which CSS breakpoint does the Chromebook 11–14″ HD fall into?
At 1366px wide, Tailwind CSS uses xl (sm: md: lg: xl: styles apply) and Bootstrap uses its xl tier.
How wide should images be for the Chromebook 11–14″ HD?
A full-width image needs about 1366px of real pixels (1366 CSS px × DPR 1) to look sharp. Use srcset so smaller screens don’t download it.
How can I test my website on a Chromebook 11–14″ HD without one?
Open doesitfit.lol, paste your address (localhost works too) and pick the Chromebook 11–14″ HD. It shows your site at exactly 1366 × 768 CSS pixels and flags anything that spills past the edge.
Guides that help
- Windows display scaling and the 1536×864 viewportWhy a 1920×1080 Windows laptop shows websites at 1536x864, what 100%, 125% and 150% scaling do to your viewport, and how much height is left in Chrome.Devices · 7 min read
- Most common screen resolutions in 2026 (real data)StatCounter's August 2026 figures for the most common desktop, mobile and tablet screen resolutions, what they really measure, and which sizes to test.Data · 7 min read
- Responsive breakpoints in 2026 — the widths that matterWhere 123 real phones, tablets, laptops and monitors land in CSS pixels, which responsive breakpoints actually matter in 2026, and which screens to test.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.