1 GB to MB

1 gigabyte equals 1024 megabytes.

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How to use this tool

Enter gigabytes in the fields above.
Results update instantly as you type — or click Calculate.
Read your megabytes and the full breakdown beneath it.

1 GB equals exactly 1024 MB in binary (base-2) measurement.

Frequently asked questions

How do I convert gigabytes to megabytes?: Multiply the number of gigabytes by 1024 to get megabytes.