Hello in Binary

"Hello" in binary

01001000 01100101 01101100 01101100 01101111

Hello is the classic first word for practice. The double l shows up as the same byte twice: 01101100 01101100.

Other ways to write it

The phrase in binary in five forms
Form	Binary	Copy
As typed	01001000 01100101 01101100 01101100 01101111
Lowercase	01101000 01100101 01101100 01101100 01101111
UPPERCASE	01001000 01000101 01001100 01001100 01001111
No spaces	0100100001100101011011000110110001101111
7-bit	1001000 1100101 1101100 1101100 1101111

Letter by letter

Each character of the phrase with its binary, decimal and hex code
Character	Binary	Decimal	Hex
H	01001000	72	48
e	01100101	101	65
l	01101100	108	6C
l	01101100	108	6C
o	01101111	111	6F

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01001000 01100101 01101100 01101100 01101111

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Frequently asked questions

How do you write "Hello" in binary?

Write the ASCII code of each character as 8 bits and put the bytes in order: "Hello" is 01001000 01100101 01101100 01101100 01101111.

Is "Hello" 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" in binary is 01101000 01100101 01101100 01101100 01101111.

How many bits is "Hello" in binary?

"Hello" has 5 characters, so it takes 5 bytes: 40 bits in standard 8-bit binary, or 35 bits in 7-bit ASCII.