A kibibyte (a contraction of kilo binary byte) is a unit of information or computer storage, commonly abbreviated KiB.

1 kibibyte = 2¹⁰ bytes = 1 024 bytes

byte << kibibyte << mebibyte

The kibibyte is closely related to the kilobyte, which can be used either as a synonym for kibibyte or to refer to 10³ bytes = 1 000 bytes (see binary prefix).

See also

• Binary prefix