Question

How to round a number to a multiple of 5 in C#

Answer 1

using System;
 
public class Program
{
    public static double roundToMultipleOf(double number, double multipleOf) {
        return multipleOf * (long)Math.Round(number / multipleOf, MidpointRounding.AwayFromZero);
    }
 
    public static void Main(string[] args)
    {
        Console.WriteLine(roundToMultipleOf(9, 5));
        Console.WriteLine(roundToMultipleOf(19, 5));
        Console.WriteLine(roundToMultipleOf(71, 5));
    }
}
 
  
  
  
/*
run:
     
10
20
70
     
*/

 

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