C program to convert decimal to octal using while loop

Learn about C program to convert decimal to octal using while loop in the below code example. Also refer the comments in the code snippet to get a detailed view about what’s actually happening.

Contents

C program to convert decimal to octal using while loop

Program:

 #include<stdio.h>
 #include<math.h>
 int main()
 {
     int dec, oct=0, rem, i=0;

     printf("Enter Decimal Number: ");
     scanf("%d",&dec);

     while(dec!=0)
     {
         rem = dec%8;
         oct += (rem * pow(10,i));
         dec /= 8;
         i++;
     }

     printf("Octal value= %d",oct);

     return 0;
 }

Output:

Enter Decimal Number: 60
Octal value= 74

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