Kibibit

The kibibit is a multiple of the bit, a unit of digital information storage, using the standard binary prefix kibi, which has the symbol Ki, meaning 210. The unit symbol of the kibibit is Kibit.
The kibibit has existed since 1998 and is closely related to the kilobit, which is equal to 103 bits = 1,000 bits. However, a kibibit is 1024 bits. Likewise, a kibibyte is 1,024 bytes.
The binary prefixes form part of the International System of Quantities (ISQ).