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C# | Printing a float number with thousand separator using String.Format() method

C# | String.Format() method example: Here, we are going to learn how to print a float number with thousand separator using String.Format() method in C#?
Submitted by IncludeHelp, on November 02, 2019

To print a float number with thousand separators, we can use String.Format() method, here is the example.

using System;

namespace ConsoleApplication1
{
    class Program
    {
        static void Main(string[] args)
        {
            //Thousand separator
            Console.WriteLine("Thousand Separators");
            
            Console.WriteLine(String.Format("{0:0,0.0}", 9876.67));     
            Console.WriteLine(String.Format("{0:0,0}", 9876.67));
            Console.WriteLine(String.Format("{0:0,0.0}", 987654321.67));
            Console.WriteLine(String.Format("{0:0,0}", 987654321.67));

            Console.WriteLine();  
        }
    }
}

Output

Thousand Separators
9,876.7
9,877
987,654,321.7
987,654,322