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.[1][2] The unit symbol of the kibibit is Kibit.

1 kibibit = 210 bits = 1,024 bits[3]
Multiple-bit units
Decimal
Value  Metric 
1000 kbitkilobit
10002 Mbitmegabit
10003 Gbitgigabit
10004 Tbitterabit
10005 Pbitpetabit
10006 Ebitexabit
10007 Zbitzettabit
10008 Ybityottabit
Binary
Value  IEC  Legacy 
1024 Kibitkibibit KbitKbkilobit
10242 Mibitmebibit MbitMbmegabit
10243 Gibitgibibit GbitGbgigabit
10244 Tibittebibit TbitTbterabit
10245 Pibitpebibit —
10246 Eibitexbibit —
10247 Zibitzebibit —
10248 Yibityobibit —
Orders of magnitude of data

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).[4]

See also

References
  1. International Electrotechnical Commission, IEC 60027-2 (2000-11) Ed. 2.0
  2. A.J. Thor (2000). "Prefixes for binary multiples". Metrologia. 37 (1): 81. doi:10.1088/0026-1394/37/1/12.
  3. "Definitions of the SI units: The binary prefixes". physics.nist.gov.
  4. "JCGM 200:2008 - English - 1. Quantities and units". www.iso.org.


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