|SI decimal prefixes||Binary
|IEC binary prefixes|
|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
The exabit is a multiple of the unit bit for digital information or computer storage. The prefix exa (symbol E) is defined in the International System of Units (SI) as a multiplier of 1018 (1 quintillion, short scale), and therefore
- 1 exabit = 1018bits = 1000000000000000000bits = 1000 petabits.
The exabit has the unit symbol Ebit or Eb.
The exabit is closely related to the exbibit, a unit multiple derived from the binary prefix exbi of the same order of magnitude, which is equal to 260bits = 1152921504606846976bits, or approximately 15% larger than the exabit.