Binary to Decimal Conversion in C

May 31, 2026

Mastering Hollow Square Patterns in C: Stars, Numbers, Alphabets & Binary

🔢 C Program to Print Hollow Continuous Number Square 📄 Source Code: #include <stdio.h> int main() { int num, k = 0; printf("Enter the number:\n"); scanf("%d", &num); for(int i = 1; i <= num; i++) { for(int j = 1; j <= num; j++) { if(i == 1 || i == num || j == 1 || j == num) { // k increments sequentially only along the borders printf("%d ", k++); } else { printf(" "); } } printf("\n"); } return 0; } 📋 Copy Code 💻 Expected Output (Input: 5): Enter the number: 5 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 🔢 C Program to Print Standard Hollow Binary Row Square 📄 Source Code (Fixed Specifier): #include <stdio.h> int main() { ...

✅ Binary to Decimal Conversion in C

#include<stdio.h>
int main( )
{
    int num, decimal = 0, remainder, j = 1;
    printf("Enter binary number:\n");
    scanf("%d", &num);
    while(num != 0)
    {
        remainder = num % 10;
        decimal = decimal + remainder * j;
        j = j * 2;
        num = num / 10;
    }
    printf("The decimal value is %d\n", decimal);
}

📘 Explanation:

This program converts a binary number (input as an integer) into its decimal equivalent.
- It extracts each digit (right to left) using modulus and multiplies it by powers of 2.
- The value is added to a `decimal` variable.
- `%d` is used in printf to display the result in decimal format.

🧾 Sample Output:

Enter binary number:
1010
The decimal value is 10

🔑 Keywords:

Binary to Decimal, C Program for Number Conversion, Beginner C Code, scanf printf usage, while loop example, base-2 to base-10

📌 Hashtags:

#CProgramming #BinaryToDecimal #BeginnerCode #NumberConversion #whileLoop #scanf #printf #LogicInC

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Mastering Hollow Square Patterns in C: Stars, Numbers, Alphabets & Binary