Question

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

Answer 1

fun main(args: Array<String>) {
	val number = 123.45678
	val formattedNumber = String.format("%.2f", number)

	println(formattedNumber)  
}
 
 
    
/*
run:
 
123.46

*/

 

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Answer 2

import java.text.DecimalFormat

fun main() {
	val number = 123.45678
	val decimalFormat = DecimalFormat("#.00")
	val formattedNumber = decimalFormat.format(number)
	
    println(formattedNumber)  // Output: 123.46
}
 
 
    
/*
run:
 
123.46

*/

 

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Answer 3

import kotlin.math.roundToInt

fun main() {
	val number = 123.45678
	val roundedNumber = (number * 100).roundToInt() / 100.0
	
    println("%.2f".format(roundedNumber))  
}
 
    
/*
run:
 
123.46

*/

 

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