# init(exactWidth:height:) Creates a size with dimensions specified as floating-point values. ``` init?(exactWidth: T, height: T) where T : BinaryFloatingPoint ``` ## Parameters `exactWidth` The width. `height` The height. ## Discussion The height and width must be greater than `0` and exactly representable as an `Int` value. --- Copyright © 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)