Yobibyte

The yobibyte is a multiple of the unit byte for digital information. It is a member of the set of units with binary prefixes defined by the International Electrotechnical Commission (IEC). Its unit symbol is YiB

The prefix yobi (symbol Yi) represents multiplication by 1024⁸, therefore:

1 yobibyte = 2⁸⁰ bytes = 1208925819614629174706176bytes = 1024 zebibytes

The prefixes zebi and yobi were originally not part of the system of binary prefixes, but were added by the IEC in August 2005.^[1]

References

Units of information

Base unit	Bit

Platform-dependent units	Nibble Byte Syllable Word

Platform-independent units	Quartet Octet Declet Hextet Doublet Quadlet Octlet Hexlet, (Triad Tetrad Octad Slab)

Traditional bit units	Kilobit Megabit Gigabit Terabit Petabit Exabit Zettabit Yottabit

Traditional byte units	Kilobyte Megabyte Gigabyte Terabyte Petabyte Exabyte Zettabyte Yottabyte

IEC bit units	Kibibit Mebibit Gibibit Tebibit Pebibit Exbibit Zebibit Yobibit

IEC byte units	Kibibyte Mebibyte Gibibyte Tebibyte Pebibyte Exbibyte Zebibyte Yobibyte

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