A gigabyte (GB) is a unit of digital information storage capacity. It represents a measurement of data size and is commonly used to quantify the amount of digital information or storage space available on devices like computers, hard drives, memory cards, and other storage media.
A gigabyte is a multiple of the base unit byte. It is equal to 1,024 megabytes (MB) or approximately 1,073,741,824 bytes in the binary system used in computing. It is the current standard measurement for most home and office computers.