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Gigabytes to Megabytes

Type a value in either box. 1 GB = 1000 MB.

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How to convert gigabytes to megabytes

1 GB = 1000 MB, and 1 MB = 0.001 GB. To convert gigabytes to megabytes, use:

MB = GB × 1000

Example: convert 256 GB to megabytes: 256 × 1000 = 256000, so 256 GB = 256000 MB.

Good to know

This uses decimal units (1 GB = 1,000 MB). If your app shows GiB and MiB, 1 GiB = 1,024 MiB; the full unit converter has both.

Gigabytes to Megabytes chart

Gigabytes (GB)Megabytes (MB)
1 GB1,000 MB
2 GB2,000 MB
4 GB4,000 MB
8 GB8,000 MB
16 GB16,000 MB
32 GB32,000 MB
64 GB64,000 MB
100 GB100,000 MB
128 GB128,000 MB
256 GB256,000 MB
500 GB500,000 MB
512 GB512,000 MB
1,000 GB1,000,000 MB
1,024 GB1,024,000 MB
2,000 GB2,000,000 MB
4,000 GB4,000,000 MB

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