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Encyclopedia > Mebibyte
v  d  e
Quantities of bytes
SI prefixes Historical use Binary prefixes
Symbol
(name)
Value  Symbol  Value Symbol
(name)
Value
kB (kilobyte) 10001 = 103 KB 10241 = 210 KiB (kibibyte) 210
MB (megabyte) 10002 = 106 MB 10242 = 220 MiB (mebibyte) 220
GB (gigabyte) 10003 = 109 GB 10243 = 230 GiB (gibibyte) 230
TB (terabyte) 10004 = 1012 TB 10244 = 240 TiB (tebibyte) 240
PB (petabyte) 10005 = 1015 PB 10245 = 250 PiB (pebibyte) 250
EB (exabyte) 10006 = 1018 EB 10246 = 260 EiB (exbibyte) 260
ZB (zettabyte) 10007 = 1021 ZB 10247 = 270 ZiB (zebibyte) 270
YB (yottabyte) 10008 = 1024 YB 10248 = 280 YiB (yobibyte) 280

A mebibyte (a contraction of mega binary byte) is a unit of information or computer storage, abbreviated MiB. formula here</math></math></math></math></math>The three-letter acronym MIB may refer to any of several concepts: Management Information Base, a computing information repository used (for example) by Simple Network Management Protocol An abbreviation for mebibyte (MiB) or mebibit (Mib) Men in Black, a group of mysterious agents... In computer science a byte (pronounced bite) is a unit of measurement of information storage, most often consisting of eight bits. ... An SI prefix (also known as a metric prefix) is a name or associated symbol that precedes a unit of measure (or its symbol) to form a decimal multiple or submultiple. ... // In computing, binary prefixes can be used to quantify large numbers where powers of two are more useful than powers of ten (such as computer memory sizes). ... // In computing, binary prefixes can be used to quantify large numbers where powers of two are more useful than powers of ten (such as computer memory sizes). ... A kilobyte (derived from the SI prefix kilo-, meaning 1,000) is a unit of information or computer storage equal to either 1,000 bytes or 1,024 bytes (210), depending on context. ... A kibibyte (a contraction of kilo binary byte) is a unit of information or computer storage, commonly abbreviated KiB (never kiB). 1 kibibyte = 210 bytes = 1,024 bytes The kibibyte is closely related to the kilobyte, which can be used either as a synonym for kibibyte or to refer to... ReBoot character, see Megabyte (ReBoot). ... This article is about the unit of measurement. ... A gibibyte is a unit of information or computer storage. ... This article is about a measurement term for data storage capacity. ... A tebibyte is a unit of information or computer storage, commonly abbreviated TiB. 1 tebibyte = 240 bytes = 1,099,511,627,776 bytes The tebibyte is closely related to the terabyte, which can either be a synonym for tebibyte, or refer to 1012 bytes = 1,000,000,000,000 bytes... A petabyte (derived from the SI prefix peta- ) is a unit of information or computer storage equal to one quadrillion bytes. ... A pebibyte is a unit of information or computer storage. ... An exabyte (derived from the SI prefix exa-) is a unit of information or computer storage equal to approximately one quintillion bytes. ... An exbibyte (a contraction of exa binary byte) is a unit of information or computer storage, abbreviated EiB. 1 exbibyte = 260 bytes = 1,152,921,504,606,846,976 bytes = 1,024 pebibytes The exbibyte is closely related to the exabyte, which can either be a synonym for exbibyte, or... A zettabyte (derived from the SI prefix zetta-) is a unit of information or computer storage equal to one sextillion (one long scale trilliard) bytes. ... A zettabyte (derived from the SI prefix zetta-) is a unit of information or computer storage equal to one sextillion (one long scale trilliard) bytes. ... A yottabyte (derived from the SI prefix yotta-) is a unit of information or computer storage equal to one septillion (one long scale quadrillion or 1024) bytes. ... This article or section does not cite any references or sources. ... The ASCII codes for the word Wikipedia represented in binary, the numeral system most commonly used for encoding computer information. ... This article does not cite any references or sources. ...

1 MiB = 220 bytes = 1,048,576 bytes = 1,024 kibibytes

The mebibyte is closely related to the megabyte (MB), which can be a synonym for mebibyte, or refer to 106 bytes = 1,000,000 bytes, or even refer to 1,000 times 1,024 bytes (e.g. the 1.44 MB floppy disk), depending on context (see binary prefix for background). The three numbers are relatively close together, but mistaking the three has nonetheless led to consumer confusion and even legal disputes. There are times when it is necessary to know the exact size of a file, for example, or exactly how much space remains on a storage device. In computer science a byte (pronounced bite) is a unit of measurement of information storage, most often consisting of eight bits. ... A kibibyte (a contraction of kilo binary byte) is a unit of information or computer storage, commonly abbreviated KiB (never kiB). 1 kibibyte = 210 bytes = 1,024 bytes The kibibyte is closely related to the kilobyte, which can be used either as a synonym for kibibyte or to refer to... ReBoot character, see Megabyte (ReBoot). ... // In computing, binary prefixes can be used to quantify large numbers where powers of two are more useful than powers of ten (such as computer memory sizes). ... This article is about the unit of measurement. ... // In computing, binary prefixes can be used to quantify large numbers where powers of two are more useful than powers of ten (such as computer memory sizes). ...


The unit was defined by the International Electrotechnical Commission (IEC) in December 1998. Use of mebibyte and related units is endorsed by IEEE and CIPM in contexts where use of a binary prefix makes sense, in order to protect the unambiguous decimal meaning of the "mega" prefix. The binary unit is in wide use by the consumer software industry, but the use of the "mebi-" prefixes is not. This leads to confusion where 220 (1,048,576) bytes is displayed as 1 MB instead of 1 MiB. For example, Windows XP will show a file of 220 bytes as "1.00 MB" in the properties dialog and a Linux utility will report the size of the same file as "1.0M". Likewise, a file of 106 (1,000,000) bytes is reported as "976 KB" and "977K" respectively. The new units are more prevalent amongst free software and in academic papers where unambiguity is important. The International Electrotechnical Commission (IEC) is an international standards organization dealing with electrical, electronic and related technologies. ... Not to be confused with the Institution of Electrical Engineers (IEE). ... The International Committee for Weights and Measures is the English name of the Comité international des poids et mesures (CIPM, sometimes written in English Comité International des Poids et Mesures). ... Clockwise from top: The logo of the GNU Project, the Linux kernel mascot Tux, and the BSD Daemon Free software is software that can be used, studied, and modified without restriction, and which can be copied and redistributed in modified or unmodified form either without restriction, or with restrictions only...


See also

ReBoot character, see Megabyte (ReBoot). ... A mebibit (a contraction of mega binary binary digit) is a unit of information or computer storage, abbreviated Mibit or sometimes Mib. ... A kibibyte (a contraction of kilo binary byte) is a unit of information or computer storage, commonly abbreviated KiB (never kiB). 1 kibibyte = 210 bytes = 1,024 bytes The kibibyte is closely related to the kilobyte, which can be used either as a synonym for kibibyte or to refer to... A gibibyte is a unit of information or computer storage. ... // In computing, binary prefixes can be used to quantify large numbers where powers of two are more useful than powers of ten (such as computer memory sizes). ... An SI prefix (also known as a metric prefix) is a name or associated symbol that precedes a unit of measure (or its symbol) to form a decimal multiple or submultiple. ... IEEE 1541 is a standard issued by the Institute of Electrical and Electronics Engineers (IEEE) concerning the use of prefixes for binary multiples of units of measurement related to digital electronics and computing. ... This is a list of orders of magnitude for data (or information), measured in bits. ...

External links

  • NIST Prefixes for binary multiples
  • IEC Prefixes for binary multiples

  Results from FactBites:
 
Mebibyte (206 words)
The mebibyte is closely related to the megabyte (MB), which can either be a synonym for mebibyte, or refer to 106 bytes = 1,000,000 bytes, depending on context (see binary prefix for background).
Use of mebibyte and related units is strongly endorsed by IEEE and CIPM and is slowly becoming more common.
One mebibyte equals 1024 (= 210) kibibytes, and 1024 mebibytes equal one gibibyte.
  More results at FactBites »

 
 

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