C# - Math.Truncate() Method with Example

In this tutorial, we will learn about the C# Math.Truncate() method with its definition, usage, syntax, and example. By Nidhi Last updated : March 29, 2023

C# Math.Truncate() Method

The Math.Truncate() method is used to return an integral part of the given number, this method is overloaded two times then the given number can be a double or decimal number.


double Math.Truncate(double num);
decimal Math.Truncate(decimal num);


  • num : it can be a double or decimal number according to an overloaded method.

Return Value

This method returns an integral part of a given number, it can be double or decimal according to an overloaded method.

C# Example of Math.Truncate() Method

The source code to demonstrate the use of Truncate() method of Math class is given below. The given program is compiled and executed successfully.

using System;

class Sample {
  //Entry point of Program
  static public void Main() {
    decimal decNum = 123.4567m;
    double dblNum = 123.4567;

    Console.WriteLine("Demonstration of Truncate method: ");



Demonstration of Truncate method:
Press any key to continue . . .

C# Math Class Programs »

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