21:9 Aspect Ratio Calculator
The 21:9 aspect ratio is commonly used for ultra-widescreen displays, cinematic video formats, and immersive gaming setups. It offers a broader field of view compared to traditional formats.
Common 21:9 Resolutions
| Name | Resolution |
|---|---|
| UWHD | 2560 x 1080 |
| UWQHD | 3440 x 1440 |
| UW4K | 5120 x 2160 |
How to Calculate?
If you know the width, divide it by 21 and multiply by 9 to get the height.
Example: Width = 2520 → Height = (2520 ÷ 21) × 9 = 1080 pixels
Why Use the 21:9 Ratio?
21:9 is ideal for cinematic video, ultrawide monitors, and multitasking. It gives a wide horizontal view and enhances productivity and immersion.
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