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v • d • e Multiples of bits
SI decimal prefixes			IEC binary prefixes
Name (Symbol)	Standard SI	Binary usage	Name (Symbol)	Value
kilobit (kbit)	103	210	kibibit (Kibit)	210
megabit (Mbit)	106	220	mebibit (Mibit)	220
gigabit (Gbit)	109	230	gibibit (Gibit)	230
terabit (Tbit)	1012	240	tebibit (Tibit)	240
petabit (Pbit)	1015	250	pebibit (Pibit)	250
exabit (Ebit)	1018	260	exbibit (Eibit)	260
zettabit (Zbit)	1021	270	zebibit (Zibit)	270
yottabit (Ybit)	1024	280	yobibit (Yibit)	280
See also: Nibble · Byte · Multiples of bytes Orders of magnitude of data

A yottabit is a unit of information or computer storage, abbreviated Ybit (or Yb).

1 yottabit = 10²⁴ bits = 1,000,000,000,000,000,000,000,000 bits^[1], which is 1,000,000 exabytes.

[edit] See also

• bit
• yottabyte
• binary prefix
• orders of magnitude (data)

[edit] Notes

1. ^ http://dictionary.reference.com/browse/yottabit