Type in unit symbols, abbreviations, or full names for units of length, area, mass, pressure, and other types. You can find metric conversion tables for SI units, as well as English units, currency, and other data. However, most people have requested the more common usage, so the non-SI version is used on this site.Ĭ provides an online conversion calculator for all types of measurement units. This is not a standard SI definition, which would use kibibyte to represent 1024 bytes. This is why a computer hard drive advertised with a "100 GB" decimal storage capacity actually contains no more than 93 GB of 8-bit (power of 2) addressable storage.Ī kilobyte is a unit of information or computer storage equal to 1024 bytes, assuming a binary system. Since computer memory comes in base two rather than 10, a large portion of the software and computer industry use binary estimates of the SI-prefixed quantities, while producers of computer storage devices prefer the SI values. In many computer architectures it is a unit of memory addressing, consisting of 8 bits. Kilobyte to bytes, or enter any two units below: Enter two units to convert From:Ī byte is the basic unit of measurement of information storage in computer science. These words are generally not totally accepted.You can do the reverse unit conversion from In data communications the metric definition of a kilobyte (1000 bytes per kilobyte) isĬorrect. Rule of thumb : K Byte of the data / seconds = transfer rate. This is confusing and you must always bear it in mind, when calculating transfer rates. The IEEE Standards Board decided that IEEE standards will be using the conventional, internationally adopted, definitions of the base-ten SI prefixes, except that the base-two definition may be used if such usage is explicitly pointed out on a case-by-case basis.Ĭonversion: Transfer rates and bandwidthsīyte = the well-established information measure unityīit = the well-established data transfer unityĭata of the hard disk are counted in kilo bytes, however the transfer data rates are in kilo bits.Ĭonclusion: A 56 k modem = 56 000 bits needs for transferring ofĥ6 k data = 458 753 bits not 1 second, but at least 8.2 seconds. The commonly known binary prefixes are written as Ki, Mi, and Gi and pronounced as kibi, mebi, and gibi, respectively.ġ kilo binary bit = 1 kibibit = 1 Kib = 2 10 bits = 1 024 bġ mega byte = 1 MB = 10 6 Bytes = 1 000 000 Bġ mega binary byte = 1 mebibyte = 1 MiB = (2 10) 2 B = 1 048 576 B It is suggested that in English, the first syllable of the name of the binary-multiple prefix should be pronounced in the same way as the first syllable of the name of the corresponding SI prefix, and that the second syllable should be pronounced as "bee." Examples and comparisons with SI prefixes:īased on the new definitions, the SI prefixes, k, M, and G, are back to their original meaning ofġ 000, 1 000 000, and 1 000 000 000, respectively. Of prefixes for binary multiples to be used in the fields of data processing and transmission. It must follow then that any reference to Bytes, eg. The leading international organization for worldwide standardization in electrotechnology, approved in December 1998 standard names and symbols The word Byte is a computing reference for which the letter B is used as abbreviation. To make the SI prefixes universal and to avoid confusion in the future, International Electrotechnical Commission (IEC), Multiples of a quantity and eliminate the ambiguity with their SI meanings. In practical information technology, KB is actually equal to 2 10 bytes, which makes it equal to 1024 bytes. Mebi-, gibi-, etc., and the symbols Ki, Mi, Gi, etc. Kilobyte (KB) is a common measurement unit of digital information (including text, sound, graphic, video, and other sorts of information) that equals to 1000 bytes. Introduced in an addendum to IEC 60027-2 the prefixes kibi- (kibibyte), In January 1999, the International Electrotechnical Commission You will see the program but the function will not work. The used browser does not support JavaScript. The other boxes will show the conversions. Enter the known value in the appropriate line.
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