The difference between units based on SI and binary prefixes increases exponentially - in other words, an SI kilobyte is nearly 98% as much as a kibibyte, but a megabyte is under 96% as much as a mebibyte, and a gigabyte is just over 93% as much as a gibibyte. Since 1999, the IEC recommends that this unit should instead be called a "gibibyte" (abbreviated GiB). Microsoft uses this definition to display hard drive sizes, as do most other operating systems and programs by default. This is the definition commonly used for computer memory and file sizes. 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 gigabyte is a unit of information or computer storage meaning approximately 1.07 billion bytes.
#Gb to byte software#
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.
GB to byte, 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. You can do the reverse unit conversion from
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