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Binary to ASCII Conversion -
ASCII to Binary Conversion

Convert Binary to ASCII and vice versa


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Binary and ASCII

The terms "binary" and "ASCII" refer to different methods of encoding information on a computer.


Binary is a numeral system that uses only two symbols: 0 and 1. In the decimal system, which we use every day, there are ten symbols (0-9). The computer stores data and processes instructions in a binary format because working with two distinct states - on (1) and off (0) - is simple and efficient for electronic equipment.


ASCII stands for American Standard Code for Information Interchange. It is an encoding system that standardizes how text and control characters are represented by computers and other devices that use text. ASCII was introduced by the American National Standards Institute (ANSI) in 1963 and is used worldwide.

In the ASCII standard, each character is represented by a 7-bit binary code. For example, the capital letter "A" is represented by the binary number 1000001, which is 65 in the decimal system. The ASCII standard includes both control characters (such as the carriage return and the bell) and printable characters like letters, numbers, and symbols.

Binary to ASCII

A binary-to-ASCII conversion is the process of converting a sequence of 8 binary digits (or bits) into their equivalent ASCII character. This is done by converting the binary numbers into their decimal form and then finding the corresponding ASCII character for that decimal number.

ASCII to Binary

An ASCII-to-binary conversion is the reverse process, where an ASCII character is converted into its equivalent binary form. This is done by finding the ASCII character in the ASCII table, finding the associated decimal number, and then converting that decimal number into a binary number.


Here is an example of how this works: Let's say we want to convert the word "HELLO" into binary code. We start with the first letter, "H". In the ASCII table, "H" corresponds to 72 in the decimal system. The binary equivalent of 72 is 01001000. We do this for all letters and eventually get:

  • H: 01001000
  • E: 01000101
  • L: 01001100
  • L: 01001100
  • O: 01001111

The reverse transformation from binary code to ASCII would start with taking the binary code, converting it to the decimal equivalent, and then finding the corresponding ASCII character.

Everything we do on a computer, from writing an email to playing a video game, uses these binary and ASCII codes. It's the language that computers understand and it's what makes it possible for us to communicate with computers.

ASCII Character Binary Equivalent

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