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gigabyte

American  
[gig-uh-bahyt, jig-] / ˈgɪg əˌbaɪt, ˈdʒɪg- /

noun

Computers.
gigabytes plural
  1. a measure of storage capacity equal to 2 30 (1024) bytes.


gigabyte British  
/ ˈɡaɪɡəˌbaɪt, ˈɡɪɡəˌbaɪt /

noun

  1. computing one thousand and twenty-four megabytes See also giga-

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

gigabyte Scientific  
/ gĭgə-bīt′ /
  1. A unit of computer memory or data storage capacity equal to 1,024 megabytes (2 30 bytes).

  2. One billion bytes.

  3. See Note at megabyte


Other Word Forms

Noun Inflected Forms

Etymology

Origin of gigabyte

giga- + byte

Vocabulary lists containing gigabyte

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The adoption of 5G leads to lower costs per gigabyte, as it offers higher data throughput.

From The Wall Street Journal • Jul. 2, 2026

This is a crucial piece to the puzzle, because production of one gigabyte of HBM supplants three gigabytes of other types of memory, worsening shortages down the line.

From Barron's • Jan. 9, 2026

Pricing will be crucial in India, where mobile data is among the cheapest globally - just 12 cents per gigabyte, according to Modi.

From BBC • Oct. 22, 2024

The company plans four tiers of service, with equal speeds for uploads and downloads: $65 a month for 500 Mbps, $75 for 1 gigabyte per second, $85 for 2 Gbps, and $99 for small-business connections.

From Los Angeles Times • May 9, 2024

Why was Bobbie Lyles importing ridiculous amounts of data into her home, into her back bedroom, specifically; way more data than that crappy desktop dinosaur PC with its half a gigabyte of RAM could handle?

From "Burning Blue" by Paul Griffin

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