Binary To Decimal In C

In This C Tutorial I am gonna show you that how you can write a code in c programming language to convert a binary number into a decimal number:

Given blow is an example where i have written a piece of code to convert a binary number into decimal number.

binary input 1010

decimal output 10

---

#include<stdio.h>

#include<math.h>

int main()

{

   int bnum,count=0,sum,rem;

   printf("enter a binary number");

   scanf("%d",&bnum);

   sum =0;

   while(bnum>0)

   {

       rem=bnum%10;

       sum = sum+rem*pow(2,count);

       bnum = bnum/10;

       count++;

   }

   printf("your decimal no is :%d",sum);

    return 0;

}