C++ Program to Convert Decimal to Octal Number1 min read

In this tutorial, we will write a program to convert decimal to octal in C++. Before that, you must have knowledge of the following topics in C++.

Octal number

The octal numbers are the numbers with base 8 and use the digits 0 to 7. Example: 8 in decimal is represented as 10 in octal, 25 as 31, and so on.

Decimal Number

These are the numbers with a base of 10, which ranges from 0 to 9. These numbers are formed with the combination of 0 to 9 digits such as 24, 345, etc.

Let us go through a program for the Decimal to Octal Conversion in C++.

C++ Program to Convert Decimal to Octal Number

The program takes a user input for a decimal number. And then iterate using a while loop. You can also use for loop instead of while loop, the code remains the same. Lastly, display the equivalent octal value.


Enter a Decimal number: 8
Octal Value: 10

You may go through the following program for vice-versa:


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