All_monitors/21" 21:9
21:91800R curved5120×2160 (native)265 PPI
Hero view

21" 21:9

1800R curved · 21:9 · viewable area 19.3" × 8.3"

Width
19.3"
490 mm
Height
8.3"
210 mm
Diagonal
21"
533 mm
Screen area
160 in²
1030 cm²

Size in context

As tall as a 17" 16:9 — but wider.
As wide as a 22" 16:9 laid across.

Resolution & sharpness

Pixel density at 21" for resolutions common to 21:9. Native is highlighted.

ResolutionPixelsPPIPixel pitchSharpness
2560x1080 · UW-FHD2560×10801320.192 mmsharp
3440x1440 · UWQHD3440×14401780.143 mmretina-class
5120x2160 · 5K2KNative5120×21602650.096 mmretina-class

Curve options

How aggressively the panel wraps at this width. Lower R = more curve (geometry approximate).