21:9 resolutions
21:9 is the marketing name for ultrawide screens, roughly 2.37 times as wide as tall. Most 21:9 monitors are not exactly 21:9 - 2560x1080 is 64:27 and 3440x1440 is 43:18.
21:9 is the marketing name for ultrawide screens, roughly 2.37 times as wide as tall. Most 21:9 monitors are not exactly 21:9 - 2560x1080 is 64:27 and 3440x1440 is 43:18.
Every common 21:9 resolution
| Resolution | Name | Megapixels | Exact ratio |
|---|---|---|---|
| 2560x1080 | UW-FHD (64:27) | 2.76 | 64:27 |
| 3440x1440 | UW-QHD (43:18) | 4.95 | 43:18 |
| 3840x1600 | UW4K (12:5) | 6.14 | 12:5 |
| 5120x2160 | 5K2K (64:27) | 11.06 | 64:27 |
Used for
Ultrawide monitors and cinematic video.
Frequently asked questions
What is 21:9 in pixels?
21:9 is the marketing name for ultrawide screens, roughly 2.37 times as wide as tall. Most 21:9 monitors are not exactly 21:9 - 2560x1080 is 64:27 and 3440x1440 is 43:18.
What is 21:9 used for?
Ultrawide monitors and cinematic video.
How do I work out a 21:9 height from a width?
Multiply the width by 9 and divide by 21. For a width of 3840 that gives 1646.
What is the difference between aspect ratio and resolution?
The ratio is the shape and the resolution is the number of pixels. Every size in the table has the same shape but a different level of sharpness.