Binary to Decimal

Binary to Decimal

Definition

Binary to decimal conversion is the process of converting a number in binary notation (base 2) to its equivalent decimal notation (base 10). The binary system, also known as the base-2 system, uses only two digits (0 and 1) to represent all numbers, while the decimal system, also known as the base-10 system, uses ten digits (0-9) to represent all numbers.

History/Origin

The concept of binary numbers has been around for centuries, dating back to the ancient Chinese and Egyptians, who used binary systems for counting and mathematical calculations. However, it wasn't until the invention of the electronic computer in the 20th century that binary became widely used in modern technology. The electronic computer, built by John Atanasoff and Clifford Berry in the late 1930s, was the first to use binary digits, or bits, to represent data.

Current Use

Binary to decimal conversion is used in many areas of modern technology, including:

  • Computer programming: Many programming languages use binary notation to represent numerical values, and the ability to convert between binary and decimal is essential for understanding and working with these values.

  • Computer storage and memory: Data is stored and retrieved in binary format in computer memory, and the ability to convert between binary and decimal is essential for understanding how this process works.

  • Data communication: Binary code is used to transmit data over networks, including the internet, and the ability to convert between binary and decimal is essential for understanding how this process works.

  • Cryptography: Binary code is used to encrypt and decrypt sensitive information, such as credit card numbers and personal data, and the ability to convert between binary and decimal is essential for understanding how this process works.

Electronics: Binary code is used to control the behavior of electronic devices, such as smartphones, televisions, and home appliances, and the ability to convert between binary and decimal is essential for understanding how this process works 

Conversion Table

Here is a table of binary to decimal conversions for the first 20 numbers:

Binary Decimal
0 0
1 1
10 2
11 3
100 4
101 5
110 6
111 7
1000 8
1001 9
1010 10
1011 11
1100 12
1101 13
1110 14
1111 15
10000 16
10001 17
10010 18
10011 19
10100 20

Conversion Method

Converting a binary number to a decimal is a straightforward process. To convert a binary number to decimal, you simply need to know the value of each digit in the binary number and the position of the digit.

The basic rule for converting a binary number to decimal is that each digit is worth double the value of the previous digit. The rightmost digit is worth 1, the next digit is worth 2, the next digit is worth 4, the next digit is worth 8, and so on.

For example, to convert the binary number 1101 to decimal, we would add up the values of the digits in the binary number as follows:

1 * 2^3 + 1 * 2^2 + 0 * 2^1 + 1 * 2^0 = 8 + 4 + 0 + 1 = 13

So, 1101 in binary is equal to 13 in decimal.

Another example, to convert the binary number 10100 to decimal, we would add up the values of the digits in the binary number as follows:

1 * 2^4 + 0 * 2^3 + 1 * 2^2 + 0 * 2^1 + 0 * 2^0 = 16 + 0 + 4 + 0 + 0 = 20

So, 10100 in binary is equal to 20 in decimal.

Online Binary to Decimal Converter

There are many online tools available to convert binary to decimal, such as online calculators or conversion websites. These tools can be very useful for quick conversions, especially for large or complex binary numbers.

Most online binary to decimal converters works by having the user input the binary number and then clicking a button to perform the conversion. The result is then displayed on the screen, usually in the form of a decimal number.

Some online converters also have the option to convert multiple binary numbers at once, which can be useful for batch conversions or for comparing the results of different binary numbers.

There are also some online converters that allow users to convert decimal to binary as well.

Conclusion

In conclusion, the binary to decimal conversion is a fundamental concept in computer science and is used in many different applications. Understanding how to convert binary to decimal manually or using an online converter can be useful in many different fields, including computer programming, computer science, and electrical engineering.

It's important to note that the decimal system is a base 10 system and the binary system is a base 2 system. The decimal system uses the digits 0 through 9, whereas the binary system uses only the digits 0 and 1. The decimal system is more commonly used in everyday life, whereas the binary system is more commonly used in computer systems. The two systems are interchangeable through the process of conversion, which allows for easy communication between the two systems.


Nasir Khan

CEO / Co-Founder

Enjoy the little things in life. For one day, you may look back and realize they were the big things. Many of life's failures are people who did not realize how close they were to success when they gave up.

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