Gigabytes to megabytes converter

1 GB = 1000 MB (exact). To convert gigabytes to megabytes, multiply by 1000. Example: 10 GB = 10,000 MB.

Result (MB)

MB = GB × 1000 · Swap: Megabytes to gigabytes

Open the full tool: Unit converter →

Gigabytes to megabytes chart

GigabytesMegabytes
0.5 GB500 MB
1 GB1000 MB
2 GB2000 MB
4 GB4000 MB
5 GB5000 MB
8 GB8000 MB
10 GB10,000 MB
16 GB16,000 MB
20 GB20,000 MB
32 GB32,000 MB
50 GB50,000 MB
64 GB64,000 MB
100 GB100,000 MB
128 GB128,000 MB
256 GB256,000 MB
512 GB512,000 MB

How to convert gigabytes to megabytes

Formula: MB = GB × 1000. Worked example: 10 GB = 10,000 MB.

About these units

This page uses decimal SI units: 1 GB = 1,000 MB = 10⁹ bytes, as used by storage makers and mobile carriers. Windows and some apps show binary units (1 GiB = 1,024 MiB) but label them “GB”, which explains mismatching numbers.

Category: data size. Results on this page are calculated in your browser and rounded to 7 significant digits; the table above uses 6. For other units of data size open the full unit converter, or use the reverse page — megabytes to gigabytes.

FAQ

How many megabytes are in one GB?

1 GB = 1000 MB exactly. Conversely, 1 MB = 0.001 GB.

What is 100 GB in megabytes?

100 GB = 100,000 MB.

Is this converter accurate?

Yes — it uses the official definitions (1 GB = 1,000,000,000 bytes, 1 MB = 1,000,000 bytes) and shows results rounded to 7 significant digits.

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