[Glossary](https://useratio.app/glossary) › Units and data

# Aspect ratio

The proportion of an image or screen, width to height.

1920 by 1080 pixels reduces to 16:9, the shape of most video. Ratio reduces the pair of numbers for you.

## In Ratio

| You type | Ratio shows |
| --- | --- |
| `1920x1080 aspect` | 16:9 |

## Related

[Unit converter](https://useratio.app/unit-converter) · [All terms](https://useratio.app/glossary)

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Source: https://useratio.app/glossary/aspect-ratio