Nybble
A nybble (sometimes spelled nibble) is a set of four bits. Since a full byte is eight bits, a nybble is half a byte. It is sometimes called a half-byte or tetrade; in the context of computer networking, it is also called a semi-octet, quadbit, or quartet. The four bits in a nybble provide a set of 16 possible values.
A single nybble can be represented by one of the 16 hexadecimal digits (0-F); when shown this way, a nybble is called a hex digit. A full byte can be portrayed by a pair of hex digits (00-FF).
The table below lists all 16 possible nybbles, along with the corresponding hex digit.
Binary ValueHex DigitBinary ValueHex Digit
0000010008
0001110019
001021010A
001131011B
010041100C
010151101D
011061110E
011171111F
Updated November 10, 2022 by Brian P.
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