2 to the 30th power (1,073,741,824) bytes. One gigabyte is equal to 1,024 megabytes. Gigabyte is often abbreviated as G or GB.
1000 or 1024 Megabytes (MB), depending on who is measuring.
This is equal to 1,000 MegaBytes.
Gigabytes or GB are used to show how much space is being used on a computer. In terms of web hosting, Gigabytes are usually used for how much web space and bandwidth you have. One gigabyte is 1,000 megabytes, which is 1,000,000 kilobytes.
(GB) 1,048,576 bytes. A standard of measurement on a computer disk, typically hard disks.