Screen sizesmonitor

2560 × 1440 viewport: which devices use it?

2560 × 1440CSS px · 16:9

2560 × 1440 is the CSS viewport of 3 devices in our research, including the 27″ QHD 2560×1440, 27–32″ 4K @ 150% (Windows), Studio Display 27″ (5K). It’s the #5 most common desktop screen size worldwide (2.48%, Aug 2026).

DeviceCSS viewportDPRPhysical pixelsYear
27″ QHD 2560×14402560×144012560×1440–
27–32″ 4K @ 150% (Windows)2560×14401.53840×2160–
Studio Display 27″ (5K)2560×144025120×28802026

Check your site at 2560 × 1440

Paste your address (or localhost:3000). doesitfit shows it on real screen sizes at once and tells you, bluntly, where it spills.

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Designing for 2560px wide

Breakpoints

Tailwind: 2xl (sm: md: lg: xl: 2xl: styles apply). Bootstrap: xxl.

Room for content

2528px with 16px side padding, 2512px with 24px. Anything fixed wider than 2560px makes the page scroll sideways (how to fix it).

All devices 2560px wide, whatever their height.

Questions people ask

Which monitor have a 2560 × 1440 viewport?

27″ QHD 2560×1440, 27–32″ 4K @ 150% (Windows), Studio Display 27″ (5K).

Is 2560 × 1440 the screen resolution?

No, it’s the viewport in CSS pixels. The physical screen has more pixels: the 27″ QHD 2560×1440 is 2560 × 1440 (DPR 1); the 27–32″ 4K @ 150% (Windows) is 3840 × 2160 (DPR 1.5).

Which breakpoint does a 2560px wide screen use?

Tailwind CSS: 2xl (sm: md: lg: xl: 2xl: styles apply). Bootstrap: xxl.

How common is 2560 × 1440?

2.48% of desktop screens worldwide (#5) in Aug 2026, according to StatCounter.

Guides that help