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Gigabyte to Megabyte

Convert gigabyte (GB) to megabyte (MB) — with the exact factor, a quick-reference table and a free converter that works offline.

1 GB = 1,000 MB

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Open the free converter with this conversion pre-loaded — no sign-up, works offline after first load.

Conversion table

Gigabyte (GB)Megabyte (MB)
0.1 GB100 MB
0.5 GB500 MB
1 GB1,000 MB
2 GB2,000 MB
5 GB5,000 MB
10 GB10,000 MB
25 GB25,000 MB
100 GB100,000 MB

How the conversion works

Both units measure data. One gigabyte equals exactly 1,000 MB, so multiply by that factor to convert.

FAQ

How many megabytes in a gigabyte?

1 GB = 1,000 MB.

How do I convert gigabyte to megabyte?

Multiply the gigabyte value by 1,000. For example, 10 GB × 1,000 = 10,000 MB.

Where does the factor come from?

The conversion factor is defined in IEC 80000-13; both units are data units converted through byte.

Related conversions

Megabyte to Gigabyte Terabyte to Gigabyte Gigabyte to Terabyte

Conversion factors: IEC 80000-13. Computed by the same engine that powers the app.

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