Zettabit

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Decimal
Value  Metric 
1000 kbit kilobit
10002 Mbit megabit
10003 Gbit gigabit
10004 Tbit terabit
10005 Pbit petabit
10006 Ebit exabit
10007 Zbit zettabit
10008 Ybit yottabit
Binary
Value  IEC  Traditional 
1024 Kibit kibibit Kbit Kb kilobit
10242 Mibit mebibit Mbit Mb megabit
10243 Gibit gibibit Gbit Gb gigabit
10244 Tibit tebibit Tbit Tb terabit
10245 Pibit pebibit
10246 Eibit exbibit
10247 Zibit zebibit
10248 Yibit yobibit

The zettabit is a multiple of the unit bit for digital information or computer storage. The prefix zetta (symbol Z) is defined in the International System of Units (SI) as a multiplier of 1021 (1 sextillion, short scale),[1] and therefore

1 zettabit = 1021bits = 1000000000000000000000bits = 1000 exabits.

The zettabit has the unit symbol Zbit or Zb.

The zettabit is closely related to the zebibit, a unit multiple derived from the binary prefix zebi of the same order of magnitude,[2] which is equal to 270bits = 1180591620717411303424bits, or approximately 18% larger than the zettabit.

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