A yobibyte (a contraction of yotta binary byte) is a unit of information or computer storage, commonly abbreviated YiB.

1 yobibyte = 280 bytes = 1,208,925,819,614,629,174,706,176 bytes = 1,024 zebibytes

The yobibyte is closely related to the yottabyte, which can either be a synonym for yobibyte, or refer to 1024 bytes = 1,000,000,000,000,000,000,000,000 bytes, depending on context (see binary prefix).

The "zebi" and "yobi" prefixes were originally not part of the system of binary prefixes, but were added by the International Electrotechnical Commission in August 2005. [ [http://www.iec.ch/news_centre/release/nr2005/nr2005.htm IEC - IEC in action | News releases > nr2005 - Here come zebi and yobi] ]

ee also

* Yobibit
* yottabyte
* zebibyte
* Binary prefix
* SI prefix
* IEEE 1541
* Orders of magnitude (data)


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