---
title: "fractionalWidth(_:)"
framework: appkit
role: symbol
role_heading: Type Method
path: "appkit/nscollectionlayoutdimension/fractionalwidth(_:)"
---

# fractionalWidth(_:)

Creates a dimension that is computed as a fraction of the width of the containing group.

## Declaration

```swift
class func fractionalWidth(_ fractionalWidth: CGFloat) -> Self
```

## See Also

### Creating a dimension

- [absolute(_:)](appkit/nscollectionlayoutdimension/absolute(_:).md)
- [estimated(_:)](appkit/nscollectionlayoutdimension/estimated(_:).md)
- [fractionalHeight(_:)](appkit/nscollectionlayoutdimension/fractionalheight(_:).md)