Convert GB to MB

Please provide values below to convert gigabyte [GB] to megabyte [MB], or vice versa.

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Gigabyte

Definition: A gigabyte (symbol: GB) is equal to 109 bytes (10003 bytes), where a byte is a unit of digital information that consists of eight bits (binary digits).

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History/origin: The gigabyte is based on the byte, which is derived from the bit, and is a unit that makes use of SI (International System of Units) prefixes. The gigabyte is most commonly understood in terms of its decimal definition of 10003 bytes. There is also however, a binary definition where a gigabyte is 10243 bytes. Because this can be the source of confusion, in 1998, the International Electrotechnical Commission published standards that required the gigabyte strictly denote 10003 bytes. Prefixes to denote the byte being based on 1024 rather than 1000 were also created, with gibibyte referencing 10243 bytes. Despite this effort, the gigabyte is still often used to signify either of these definitions.

Current use: The unit of bytes and all its multiples are used worldwide for data storage. Computer files, hard disks, Blu-ray discs, video games, etc. all store or contain storage space referenced in byte multiples such as kilobytes, megabytes, or gigabytes.

Megabyte

Definition: A megabyte (symbol: MB) is equal to 106 bytes (10002 bytes), where a byte is a unit of digital information that consists of eight bits (binary digits).

History/origin: The megabyte is based on the byte, which is derived from the bit, and is a unit that makes use of SI (International System of Units) prefixes. The prefix “mega” can be ambiguous; the SI use of “mega” would indicate that a megabyte is 1,000,000 bytes, or 10002 bytes, but a base of 1024 (rather than 1000) is also used in information technology as a convenient way to express byte multiples as powers of 2. In 1998, the International Electrotechnical Commission attempted to address this by defining new prefixes to indicate a base of 1024 rather than 1000. Rather than using the prefix “mega,” within this system of prefixes, 10242 is referred to as a mebibyte.

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Current use: Megabytes are widely used in data storage for file sizes (documents, photos, videos, etc.) as well as for storage devices such as flash drives or, in the past, floppy disks. Today however, storage devices are typically larger, often involving either gigabytes (10003 bytes) or terabytes (10004) of data.

Gigabyte to Megabyte Conversion Table

Gigabyte [GB]Megabyte [MB]0.01 GB10.24 MB0.1 GB102.4 MB1 GB1024 MB2 GB2048 MB3 GB3072 MB5 GB5120 MB10 GB10240 MB20 GB20480 MB50 GB51200 MB100 GB102400 MB1000 GB1024000 MB

How to Convert Gigabyte to Megabyte

1 GB = 1024 MB1 MB = 0.0009765625 GB

Example: convert 15 GB to MB:15 GB = 15 × 1024 MB = 15360 MB

Popular Data Storage Unit Conversions

Convert Gigabyte to Other Data Storage Units

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