Heights for 1280 wide
A 1280px-wide frame is common. Pick the ratio you need - the paired height is already computed below for every ratio RatioCalc supports.
All heights for 1280 wide
| Ratio | Height for 1280 | Pair | CSS |
|---|---|---|---|
| 16:9 | 720px | 1280x720 | aspect-ratio: 16 / 9 |
| 4:3 | 960px | 1280x960 | aspect-ratio: 4 / 3 |
| 1:1 | 1280px | 1280x1280 | aspect-ratio: 1 / 1 |
| 9:16 | 2276px | 1280x2276 | aspect-ratio: 9 / 16 |
| 21:9 | 549px | 1280x549 | aspect-ratio: 21 / 9 |
| 3:2 | 853px | 1280x853 | aspect-ratio: 3 / 2 |
| 16:10 | 800px | 1280x800 | aspect-ratio: 16 / 10 |
| 4:5 | 1600px | 1280x1600 | aspect-ratio: 4 / 5 |
| 2:1 | 640px | 1280x640 | aspect-ratio: 2 / 1 |
| 239:100 | 536px | 1280x536 | aspect-ratio: 239 / 100 |
| 32:9 | 360px | 1280x360 | aspect-ratio: 32 / 9 |
| 5:4 | 1024px | 1280x1024 | aspect-ratio: 5 / 4 |
| 2:3 | 1920px | 1280x1920 | aspect-ratio: 2 / 3 |
| 18:9 | 640px | 1280x640 | aspect-ratio: 18 / 9 |
| 5:3 | 768px | 1280x768 | aspect-ratio: 5 / 3 |
| 1:2 | 2560px | 1280x2560 | aspect-ratio: 1 / 2 |
Formula - same for every ratio
height = 1280 x rh / rw
// e.g. 16:9 - 1280x9/16 = 720px - padding-top 56.25%
modern: .frame { aspect-ratio: rw / rh; width: 1280px }
Known exact 1280-wide resolutions
- 1280x720 - 1280×720 HD - YouTube thumbnail, HD streaming
- 1280x1024 - 1280×1024 SXGA 5:4 - Legacy 5:4 LCDs, industrial panels
- 1280x800 - 1280×800 WXGA - 16:10 tablets, small laptops
How to use this page
- Find your ratio (16:9 for YouTube, 1:1 for square avatars, 9:16 for Stories, 4:5 for portrait feed).
- Read the height next to it - e.g. 1280 at 4:5 is 1600 portrait, 1280 at 32:9 is 360 super-ultrawide.
- Export at 1280x(paired height) exactly - or halve both sides for a lighter proxy with the same ratio.
Other widths
Match with height hubs
Tip: mastering at 1280? The table rounds to the nearest pixel; verify with height = 1280 x rh / rw for print-critical work.