mega·​byte ˈme-gə-ˌbīt How to pronounce megabyte (audio)
: 1024 kilobytes or 1,048,576 bytes
also : one million bytes

Examples of megabyte in a Sentence

The CD has a storage capacity of 800 megabytes.
Recent Examples on the Web Their compressed take on Google’s Bert model was 15 times smaller — only 1.2 megabytes — and saw only a 4 percent reduction in quality. David Pierce, The Verge, 5 May 2024 Each has a central region of 48 megabytes of cache memory. IEEE Spectrum, 9 Apr. 2024 However, he was eliminated after incorrectly guessing the number of megabytes in a gigabyte. Kelly Wynne, Peoplemag, 20 Mar. 2024 The argument by viewers was that gigabytes can be either 1000 or 1024 megabytes, meaning Pannullo wasn’t technically wrong. Kelly Wynne, Peoplemag, 20 Mar. 2024 So 20 megabytes per second, times 60,000 hours, times 3,600 seconds per hour. TIME, 13 Feb. 2024 Humans acquire language using only around 1.5 megabytes of data (less than a 1980s floppy disk). Craig S. Smith, Forbes, 1 Mar. 2024 And the optical nerve is about 20 megabytes per second. TIME, 13 Feb. 2024 In 1995 Niklaus Wirth lamented that software had grown to megabytes in size. IEEE Spectrum, 6 Feb. 2024

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'megabyte.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History


from the fact that 1,048,576 (220) is the power of 2 closest to one million

First Known Use

1965, in the meaning defined above

Time Traveler
The first known use of megabyte was in 1965

Dictionary Entries Near megabyte

Cite this Entry

“Megabyte.” Dictionary, Merriam-Webster, Accessed 23 May. 2024.

Kids Definition


mega·​byte ˈmeg-ə-ˌbīt How to pronounce megabyte (audio)
: 1,048,576 bytes
also : one million bytes

More from Merriam-Webster on megabyte

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