ASCII to Binary Converter
Convert ASCII characters to binary code with accurate results. Get binary representation quickly for any ASCII text or character with our reliable tool.
ASCII to Binary Conversion
ASCII to binary conversion converts each character's ASCII code (0-255) to its binary representation using base-2 (only 0s and 1s).
Formula: binary = ASCII code in base-2
For example:
- Character 'A' has ASCII code 65, which is 01000001 in binary
- Character 'a' has ASCII code 97, which is 01100001 in binary
- Character '0' has ASCII code 48, which is 00110000 in binary
Each ASCII character is represented as an 8-bit binary number (00000000 to 11111111). Binary uses only two digits: 0 and 1, making it the fundamental number system used in digital computers.
ASCII
What is ASCII?
ASCII (American Standard Code for Information Interchange) is a character encoding standard that uses 7 bits to represent 128 characters, including letters (both uppercase and lowercase), digits, punctuation marks, and control characters. ASCII codes range from 0 to 127, with extended ASCII supporting codes 0-255.
History and Usage
ASCII was developed in the 1960s and became the standard character encoding for computers and communication equipment. It is still widely used today in programming, data transmission, and text processing. Each character in ASCII has a unique numeric code that can be represented in different number systems including decimal, binary, octal, and hexadecimal.
ASCII Character Set
The ASCII character set includes 128 standard characters: control characters (0-31), printable characters (32-126), and the DEL character (127). Extended ASCII (128-255) includes additional characters for international use, currency symbols, and special characters.
Binary
What is Binary?
Binary (base-2) is a number system that uses only two digits: 0 and 1. It is the fundamental number system used in digital computers and electronic systems. Each digit in binary is called a bit (binary digit), and 8 bits make up one byte.
Why Use Binary?
Binary is used in computing because electronic devices can easily represent two states: on/off, high/low voltage, or true/false. All data in computers is ultimately stored and processed in binary format. Binary is the foundation of all digital systems, from simple calculators to complex supercomputers.
Binary in Computing
Binary is essential in computer science, digital electronics, data storage, networking, and programming. Memory addresses, processor instructions, file formats, and network protocols all use binary representation. Understanding binary is crucial for low-level programming, debugging, and understanding how computers work at the hardware level.
ASCII to Binary Conversion Table
Common ASCII characters and their binary representations (8-bit):
- ASCII
- Binary (Base-2)
- 'A' (65)
- 01000001
- 'B' (66)
- 01000010
- 'C' (67)
- 01000011
- 'D' (68)
- 01000100
- 'E' (69)
- 01000101
- 'F' (70)
- 01000110
- 'G' (71)
- 01000111
- 'H' (72)
- 01001000
- 'I' (73)
- 01001001
- 'J' (74)
- 01001010
- 'K' (75)
- 01001011
- 'L' (76)
- 01001100
- 'M' (77)
- 01001101
- 'N' (78)
- 01001110
- 'O' (79)
- 01001111
- 'P' (80)
- 01010000
- 'Q' (81)
- 01010001
- 'R' (82)
- 01010010
- 'S' (83)
- 01010011
- 'T' (84)
- 01010100
- 'U' (85)
- 01010101
- 'V' (86)
- 01010110
- 'W' (87)
- 01010111
- 'X' (88)
- 01011000
- 'Y' (89)
- 01011001
- 'Z' (90)
- 01011010
- 'a' (97)
- 01100001
- 'b' (98)
- 01100010
- 'c' (99)
- 01100011
- 'd' (100)
- 01100100
- 'e' (101)
- 01100101
- 'f' (102)
- 01100110
- 'g' (103)
- 01100111
- 'h' (104)
- 01101000
- 'i' (105)
- 01101001
- 'j' (106)
- 01101010
- 'k' (107)
- 01101011
- 'l' (108)
- 01101100
- 'm' (109)
- 01101101
- 'n' (110)
- 01101110
- 'o' (111)
- 01101111
- 'p' (112)
- 01110000
- 'q' (113)
- 01110001
- 'r' (114)
- 01110010
- 's' (115)
- 01110011
- 't' (116)
- 01110100
- 'u' (117)
- 01110101
- 'v' (118)
- 01110110
- 'w' (119)
- 01110111
- 'x' (120)
- 01111000
- 'y' (121)
- 01111001
- 'z' (122)
- 01111010
- '0' (48)
- 00110000
- '1' (49)
- 00110001
- '2' (50)
- 00110010
- '3' (51)
- 00110011
- '4' (52)
- 00110100
- '5' (53)
- 00110101
- '6' (54)
- 00110110
- '7' (55)
- 00110111
- '8' (56)
- 00111000
- '9' (57)
- 00111001
- ' ' (32)
- 00100000
- '!' (33)
- 00100001
- '@' (64)
- 01000000
- '#' (35)
- 00100011
- '$' (36)
- 00100100
- '%' (37)
- 00100101
- '&' (38)
- 00100110
- '*' (42)
- 00101010
