Where the 5:4 aspect ratio is used
5:4 is close to square in landscape orientation. It is the shape of 10 × 8 inch prints and large-format sheet film, and was common on 17- and 19-inch office LCDs.
- Framed prints: 10 × 8 and 20 × 16 inch photo prints.
- Legacy monitors: Early 17- and 19-inch LCD panels at 1280 × 1024.
- Large-format film: Matches 4 × 5 and 8 × 10 inch sheet film.
- Fine art: Traditional canvas proportions.
5:4 resolution cheat sheet
| Name | Width × height | Typical use |
|---|---|---|
| Web format | 1000 × 800 px | Web embeds |
| SXGA monitor | 1280 × 1024 px | Native size of early-2000s desktop monitors |
| 10 × 8 in at 300 dpi | 3000 × 2400 px | Sharp 10 × 8 inch print |
| Large print scan | 4500 × 3600 px | Fine art reproduction |
Tip: Selling 10 × 8 prints from a 3:2 camera? Plan the shot loosely: 5:4 crops a noticeable amount from the long edge.

How to calculate 5:4 dimensions
Height = width × 4 ÷ 5. Width = height × 5 ÷ 4. Round to whole pixels; many video encoders also need even numbers.
CSS for a 5:4 box
.media { aspect-ratio: 5 / 4; width: 100%; }