Rounding a double value to x number of decimal places in swift

Question

Can anyone tell me how to round a double value to x number of decimal places in Swift?

I have:

var totalWorkTimeInHours = (totalWorkTime/60/60)
         


        

Answer 1

extension String{
  var roundedValue:String {
     return String(format: "%.3f", self)
}}

Usage :

totalWorkTimeInHours.roundedValue