Convert Gigabytes to megabytes

1 gigabyte = 1,000 megabytes · MB = GB × 1,000

GB
Megabytes
1,000MB

1 gigabyte = 1,000 megabytes

When you need this conversion

Storage and data plans drive this: mobile carriers sell gigabytes but app sizes and individual downloads are listed in megabytes, so it determines how much of an allowance a download consumes. Cloud storage tiers and video export sizes are the other common cases.

Gigabytes to megabytes conversion table

Conversion table from gigabytes to megabytes
Gigabytes (GB)Megabytes (MB)
1 GB1,000 MB
2 GB2,000 MB
3 GB3,000 MB
5 GB5,000 MB
10 GB10,000 MB
15 GB15,000 MB
20 GB20,000 MB
25 GB25,000 MB
50 GB50,000 MB
75 GB75,000 MB
100 GB100,000 MB
250 GB250,000 MB
500 GB500,000 MB
1,000 GB1,000,000 MB

The formula

MB = GB × 1,000

Because both units measure data, the conversion is a single multiplication by a fixed factor. That factor never changes, so the result is exact.

Convert the other way

Megabytes to gigabytes

Related data conversions

All data conversions →

Frequently asked questions

How many megabytes are in a gigabyte?
There are 1,000 megabytes in 1 gigabyte. The formula is MB = GB × 1,000.
How do you convert gigabytes to megabytes?
Use the formula MB = GB × 1,000. For example, 10 gigabytes equals 10,000 megabytes.
Is the gigabytes to megabytes conversion exact?
Yes. Gigabytes and megabytes are both units of data, related by an exact defined factor. Displayed results are rounded for readability.
What is GB short for?
GB is the standard symbol for gigabyte. MB is the symbol for megabyte.