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Python Program to Converter a Binary to Decimal

Posted in Python Tutorial
Updated on Nov 22, 2024
By Mari Selvan
πŸ‘οΈ 186 - Views
⏳ 4 mins
πŸ’¬ 1 Comment
Python Program to Converter a Binary to Decimal

Photo Credit to CodeToFun

πŸ™‹ Introduction

In the world of programming, understanding different number systems is crucial. One common conversion task is to convert a binary number to its decimal equivalent.

Binary is a base-2 number system, while decimal is a base-10 system.

In this tutorial, we'll explore a python program that efficiently converts a binary number to its decimal representation.

πŸ“„ Example

Let's dive into the python code that performs the binary to decimal conversion.

binary_to_decimal.py
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# Function to convert binary to decimal
def binary_to_decimal(binary_number):
    decimal_number = 0
    power = 0
    while binary_number > 0:
        remainder = binary_number % 10
        decimal_number += remainder * (2 ** power)
        binary_number //= 10
        power += 1
    return decimal_number

# Driver program
if __name__ == "__main__":
    # Replace this binary number with your desired value
    binary_number = 101010

    # Call the function to convert binary to decimal
    decimal_number = binary_to_decimal(binary_number)

    print(f"Binary: {binary_number}")
    print(f"Decimal: {decimal_number}")

πŸ’» Testing the Program

To test the program with a different binary number, replace the value of binaryNumber in the main function.

Output
Binary: 101010
Decimal: 42

Compile and run the program to see the binary-to-decimal conversion in action.

🧠 How the Program Works

  1. The program defines a function binary_to_decimal that takes a binary number as input and returns its decimal equivalent.
  2. Inside the function, it uses a while loop to iterate through each digit of the binary number.
  3. For each digit, it calculates the remainder and updates the decimal number accordingly.
  4. The if __name__ == "__main__": block tests the conversion by providing a binary number and printing both the binary and decimal representations.

🧐 Understanding the Concept of Binary and Decimal Systems

  • Binary System (Base-2): In the binary system, numbers are represented using only two digits, 0 and 1. Each digit's place value is a power of 2.
  • Decimal System (Base-10): The decimal system is the standard number system that we use every day. It uses ten digits, 0 through 9, and each digit's place value is a power of 10.

Binary-to-decimal conversion involves multiplying each binary digit by 2 raised to the power of its position and summing up the results.

For example, the binary number 101010 is converted to decimal as follows:

1 * 2^5 + 0 * 2^4 + 1 * 2^3 + 0 * 2^2 + 1 * 2^1 + 0 * 2^0 = 42

🎒 Optimizing the Program

While the provided program is effective, consider exploring optimizations or handling edge cases for larger binary numbers.

Feel free to incorporate and modify this code as needed for your specific use case. Happy coding!

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Author

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πŸ‘‹ Hey, I'm Mari Selvan

For over eight years, I worked as a full-stack web developer. Now, I have chosen my profession as a full-time blogger at codetofun.com.

Buy me a coffee to make codetofun.com free for everyone.

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Mari Selvan
Mari Selvan
11 months ago

If you have any doubts regarding this article (Python Program to Converter a Binary to Decimal), please comment here. I will help you immediately.

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