Convert Binary to Decimal in C++

Program in C++ to Convert Binary to Decimal

In this types of program we takes a binary number as input and converts it into decimal number.

• Take a binary number as input.
• Multiply each digits of the binary number starting from the last with the powers of 2 respectively.
• Add all the multiplied digits.
• Here total sum gives the decimal number.

#include<iostream.h>
#include<conio.h>

void main()
{
	clrscr();
	long int bin_number, dec_number=0, i=1, rem;
	cout<<"Please Enter any Binary Number: ";
	cin>>bin_number;
	while(bin_number!=0)
	{
		rem=bin_number%10;
		dec_number=dec_number+rem*i;
		i=i*2;
		bin_number=bin_number/10;
	}
	cout<<"Equivalent Decimal value:"<<dec_number;
	getch();
}

Please Enter any Binary Number: 1001
Equivalent Decimal value: 9 

Please Enter any Binary Number: 1111
Equivalent Decimal value: 15