How to convert a string to a double
Swift version: 5.0
Swift strings don't have a built-in way to convert to a Double, but their NSString counterparts do. To convert between strings and doubles, just do this:
let myString = "556"
let myFloat = (myString as NSString).doubleValueLEARN SWIFTUI FOR FREE I wrote a massive, free SwiftUI tutorial collection, and also have a growing list of free SwiftUI tutorials on YouTube – get started today!
Available from iOS 7.0
Similar solutions…
- How to multiply an int and a double
- How to read tap and double-tap gestures
- How to test localization by setting a debug locale and double length pseudolanguage
- What is a double?
- How to detect a double tap gesture
About the Swift Knowledge Base
This is part of the Swift Knowledge Base, a free, searchable collection of solutions for common iOS questions.
