How to convert binary number into decimal number in C++

Program to convert binary number into its decimal equivalent

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#include<iostream>

#include<conio.h>

using namespace std;

int pow(int base, int power);

      

int main()

{

      int decimal_number = 0, binary_number = 0, temp_number = 0, remainder = 0, counter = 0;

       cout << "\n\n\t   __ Program to convert Binary number into Decimal number __";

       cout << "\n\n\n  Enter the Binary Number - ";

       cin >> binary_number;

       temp_number = binary_number;     

       while(binary_number != 0)

       {

              remainder = binary_number % 10;  

              binary_number = binary_number / 10;     

              decimal_number = decimal_number + remainder * pow(2,counter);

              counter++;   

       }

       cout << "\n\n  Decimal Conversion of Binary Number " << temp_number;

       cout << " (BASE 2) is -- " << decimal_number << " (BASE 10)";

       getch();

       return 0;

}

int pow(int base, int power)

{

       int temp = 0, result = 1;

       for (temp = 1 ; temp <= power ; temp++) 

       {

              result = result * base;          

       }

       return result;

}

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Check out the link for the detailed steps of how to convert binary number into decimal number - http://www.wikihow.com/Convert-from-Binary-to-Decimal