Unit Converter

Convert gigabytes to megabytes

Convert gigabytes to megabytes using decimal units (1 GB = 1,000 MB), the storage-industry standard. Binary gibibytes (GiB, 1,024 MiB) are what Windows reports.

1 GB = 1000 MB

Formula

Convert gigabytes to megabytes with:

MB = GB × 1000

Example

2 GB = 2,000 MB

gigabytes to megabytes table

GBMB
0.5 GB500 MB
1 GB1000 MB
2 GB2000 MB
4 GB4000 MB
8 GB8000 MB
16 GB16000 MB
32 GB32000 MB
64 GB64000 MB

Questions

How many megabytes are in a gigabyte?

One gigabyte is 1000 megabytes. Enter any value above to convert instantly.

What is the formula to convert gigabytes to megabytes?

Use MB = GB × 1000. The calculator applies this for every value you type.

Is this conversion exact?

Yes — it uses the standard conversion factor (MB = GB × 1000), rounded to 6 significant digits for display.

Common conversions

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