Hello World in Binary
"Hello World" in binary
01001000 01100101 01101100 01101100 01101111 00100000 01010111 01101111 01110010 01101100 01100100
Printing "Hello, World!" has been the first program in many programming languages since the 1970s. This is the short form, without the comma and the exclamation mark.
Other ways to write it
| Form | Binary | Copy |
|---|---|---|
| As typed | 01001000 01100101 01101100 01101100 01101111 00100000 01010111 01101111 01110010 01101100 01100100 | |
| Lowercase | 01101000 01100101 01101100 01101100 01101111 00100000 01110111 01101111 01110010 01101100 01100100 | |
| UPPERCASE | 01001000 01000101 01001100 01001100 01001111 00100000 01010111 01001111 01010010 01001100 01000100 | |
| No spaces | 0100100001100101011011000110110001101111001000000101011101101111011100100110110001100100 | |
| 7-bit | 1001000 1100101 1101100 1101100 1101111 0100000 1010111 1101111 1110010 1101100 1100100 |
Letter by letter
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Frequently asked questions
How do you write "Hello World" in binary?
Write the ASCII code of each character as 8 bits, spaces included, and put the bytes in order: "Hello World" is 01001000 01100101 01101100 01101100 01101111 00100000 01010111 01101111 01110010 01101100 01100100.
Is "Hello World" in binary different in lowercase?
Yes. A lowercase letter is 32 more than its capital, so one bit flips in each letter you change. "hello world" in binary is 01101000 01100101 01101100 01101100 01101111 00100000 01110111 01101111 01110010 01101100 01100100.
How many bits is "Hello World" in binary?
"Hello World" has 11 characters, spaces included, so it takes 11 bytes: 88 bits in standard 8-bit binary, or 77 bits in 7-bit ASCII.