Gigabit
The gigabit is a multiple of the unit bit for digital information or computer storage. The prefix giga is defined in the International System of Units as a multiplier of 109, and therefore
The gigabit has the unit symbol Gbit or Gb.
Using the common byte size of 8 bits, 1 Gbit is equal to 125 megabytes or approximately 119 mebibytes.
The gigabit is closely related to the gibibit, a unit multiple derived from the binary prefix gibi of the same order of magnitude, which is equal to =, or approximately 7% larger than the gigabit.
