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).doubleValue
Available from iOS 7.0
Did this solution work for you? Please pass it on!
Other people are reading…
About the Swift Knowledge Base
This is part of the Swift Knowledge Base, a free, searchable collection of solutions for common iOS questions.