---
title: width
framework: metal
role: symbol
role_heading: Instance Property
path: metal/mtlviewport/width
---

# width

The width of the viewport, in pixels.

## Declaration

```swift
var width: Double
```

## See Also

### Specifying viewport boundaries

- [originX](metal/mtlviewport/originx.md)
- [originY](metal/mtlviewport/originy.md)
- [height](metal/mtlviewport/height.md)
- [znear](metal/mtlviewport/znear.md)
- [zfar](metal/mtlviewport/zfar.md)