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# Are gigabytes bigger than megabytes?

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When discussing disk storage, a gigabyte is equal to 1,000 megabytes, meaning that the gigabyte is the larger of the two. However, because computers are really based on the binary system rather than the decimal system, the actual numbers are slightly different when applied to processor storage.

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When used in discussions of disk storage capacity, a megabyte equals one million bytes, and a gigabyte equals one billion bytes. For most people, this definition is sufficient. However, in discussions of virtual and real processing power, a megabyte is computed according to the binary system and actually refers to 2 to the 20th power, or 1,048,576, bytes. Under this system, a gigabyte is 1,024 megabytes, which is 2 to the power of 10.

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## Related Questions

• A:

To convert kilobytes to megabytes, determine which type of kilobytes are being measured. Then, find the correct type of megabytes for the conversion. Finally, multiply the amount of kilobytes by the correct factor to find the corresponding number of megabytes.

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• A:

Approximately 250 songs fit in a gigabyte, depending upon each song's individual file size. One four-minute song averages 4 megabytes.

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• A:

There are about one million kilobytes in a single gigabyte. Decimal and binary are the two systems of measurement commonly used to describe bytes. In the decimal system, there are 1,000 bytes to a kilobyte, one million bytes to a megabyte and one billion bytes to a gigabyte.