Convert gigabytes to megabytes

1 GB = 1,000 MB. Change the amount below, or read the formula and the reference table further down.

1 gigabyte equals

1,000megabytes

1 GB = 1,000 MB

The formula

Gigabytes and megabytes both measure data & storage from the same zero, so a single multiplier does the job.

MB = GB × 1,000

Going the other way? Convert megabytes to gigabytes.

Gigabytes to megabytes table

Common values, rounded for reading.

Gigabytes (GB)Megabytes (MB)
11,000
22,000
33,000
44,000
55,000
66,000
77,000
88,000
99,000
1010,000
1515,000
2020,000
2525,000
3030,000
4040,000
5050,000
7575,000
100100,000
250250,000
500500,000
1,0001,000,000

Questions people ask

How many megabytes are in a gigabyte?
One gigabyte equals 1,000 megabytes.
How do I convert gigabytes to megabytes by hand?
Multiply the number of gigabytes by 1,000. For a rough check, 1,000 is close enough for most everyday use.
What is 1 gigabyte in megabytes?
1 gigabyte is 1,000 megabytes.

Calcuit generates this page from a unit table, so the factors here match every other page on the site.

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