Question

How to print a float number with 2 decimal places in Swift

Answer 1

import Foundation

let number = 123.4567

print(String(format: "%.2f", number))



/*
run:
     
123.46
     
*/

 

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Answer 2

import Foundation

extension Double {
    func round(to places: Int) -> Double {
        let divisor = pow(10.0, Double(places))
        
        return (self * divisor).rounded() / divisor
    }
}

let number = 123.4567

print(number.round(to:2))



/*
run:
     
123.46
     
*/
 

 

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Answer 3

import Foundation

let number = 123.4567

print((number * 100).rounded() / 100)



/*
run:
     
123.46
     
*/
 

 

70+ SQL courses for beginners and professionals