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How to convert a number string to an octal in C#

Theodore Kelechukwu Onyejiaku

Overview

We can use the method Convert.ToInt() method in C# to convert a number string to an octal value. For example, we can use this method to convert the number string 30 to a base number of 8, which is an octal value.

Syntax

Convert.ToInt32(numberString, 8)
Converting a number string to an octal in C#

Parameters

numberString: This is the number string that we want to convert to an octal value.

Return value

The value returned is an octal equivalent to the number string.

Code example

using System;
class HelloWorld
{
    static void Main()
    {
        // Creating some number strings
        string num1 = "34";
        string num2 = "1";
        string num3 = "222";

        // Converting to Octal and printing the results
        Console.WriteLine("{0} {1}", num1, Convert.ToInt32(num1, 8));
        Console.WriteLine("{0} {1}", num2, Convert.ToInt32(num2, 8));
        Console.WriteLine("{0} {1}", num3, Convert.ToInt32(num3, 8));
    }
}
Converting a number string to an Octal value

Explanation

  • Lines 7–9: We create some number strings.
  • Lines 12–14: We convert the number strings to octal values using the Convert.ToInt32() method. Then, we print the values to the console.

RELATED TAGS

number
c#
octal conversion
string to octal
communitycreator

CONTRIBUTOR

Theodore Kelechukwu Onyejiaku
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