**How many bytes are there in a gigabyte?**

**1,073,741,824.**

There are 1,073,741,824 bytes in a megabyte. *Giga* is a prefix that means ‘Ëœone billion’â„¢, so that roughly speaking a gigabyte should consist of one billion bytes. Because computer storage units are based on a binary numeral system based on the power of two, where one byte is equal to 2^{3} bits, then it is more accurate to measure megabytes in terms of 2^{30} or 1,073,741,824 bytes.

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