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See also: Order of Magnitude - SI Prefixes 

Prefixes for Binary Multiples

In 1998 the International Electrotechnical Commission (IEC) approved as an IEC International Standard names and symbols for prefixes for binary multiples for use in the fields of data processing and data transmission. The prefixes are as follows:

 Factor  Name  Symbol  Origin
 210 kibi Ki kilobinary: (210)1 = 1024
 220 mebi Mi megabinary: (210)2  = 1048576
 230 gibi Gi gigabinary: (210)3 = 1073741824
 240 tebi Ti terabinary: (210)4
 250 pebi Pi petabinary: (210)5
 260 exbi Ei exabinary: (210)6


Last Update: 2007-Jän-21