C++ Program to Converter a Binary to Decimal
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Converter a Number from Binary to Decimal
In the following example, we will convert a Binary number (1000001) to a Decimal number (65).
Tips: It is recommended to use our online Binary to Decimal converter for better understanding.
Example
C++ Compiler
#include <iostream>
#include <cmath>
using namespace std;
int main()
{
int num = 1000001;
int i = -1;
int arr[50], j;
int total = 0;
while(num != 0)
{
i++;
arr[i] = num % 10;
num = num / 10;
}
for(j=i; j>=0; j--)
total += (arr[j] * ((int) pow(2, j)));
cout << "Decimal number of 1000001 (binary) is " << total;
return 0;
}
Output
Decimal number of 1000001 (binary) is 65
Converter any Given Binary Number to Decimal Number
In the following example, we will convert any given binary number to a decimal number.
Example
C++ Compiler
#include <iostream>
#include <cmath>
using namespace std;
int main()
{
int num, copyNum, arr[50], j;
int i = -1;
int total = 0;
cout << "Enter a Binary Number: ";
cin >> num;
copyNum = num;
while(copyNum != 0)
{
i++;
arr[i] = copyNum % 10;
copyNum = copyNum / 10;
}
for(j=i; j>=0; j--)
total += (arr[j] * ((int) pow(2, j)));
cout << "Decimal number of " << num << " (binary) is " << total;
return 0;
}
Output
Enter a Binary Number: 25
Decimal number of 25 (binary) is 9
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