Look up gigabyte or GB in Wiktionary, the free dictionary.

gigabyte (GB) is 1000³ bytes.

Gigabyte may also refer to:

• gibibyte (GiB), 1024³ bytes, also called "gigabyte" (GB)
• Gigabyte (virus writer), moniker of Kimberley Vanvaeck, for computer viruses
• Gigabyte Technology, a Taiwanese computer hardware manufacturer
• Gigabyte (journal), an open-science journal
• Gigabyte (character), a fictional character from the CG animated children's TV show ReBoot; see List of ReBoot characters