Prefixes for Binary Multiplies
IEC International Standard names and symbols
IEC International Standard names and symbols for prefixes for binary multiples for use in data processing and transmission.
Factor | Name | Symbol | Origin | Derivation |
---|---|---|---|---|
210 | kibi | Ki | kilobinary: (210)1 | kilo: (103)1 |
220 | mebi | Mi | megabinary: (210)2 | mega: (103)2 |
230 | gibi | Gi | gigabinary: (210)3 | giga: (103)3 |
240 | tebi | Ti | terabinary: (210)4 | tera: (103)4 |
250 | pebi | Pi | petabinary: (210)5 | peta: (103)5 |
260 | exbi | Ei | exabinary: (210)6 | exa: (103)6 |
Binary Multiples compared to SI Prefixes
Multiple | SI Equivalent |
---|---|
one kibibit | 1 Kibit = 210 bit = 1024 bit |
one kilobit | 1 kbit = 103 bit = 1000 bit |
one mebibyte | 1 MiB = 220 B = 1048576 B |
one megabyte | 1 MB = 106 B = 1000000 B |
one gibibyte | 1 GiB = 230 B = 1073741824 B |
one gigabyte | 1 GB = 109 B = 1000000000 B |
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