Conversion

Gigabytes to Megabytes Converter

1 gigabyte = 1,000 MB. Enter any value to convert gigabytes (GB) to megabytes (MB), or use the table below for common values.

Results

1 GB =1,000 MBgigabytes → megabytes
1 GB1,000 MB
1 MB0.001 GB
Formula
MB = GB × 1,000
1 GB in other units
1 GB in other units
UnitValue
bits (b)8,000,000,000
bytes (B)1,000,000,000
kilobytes (KB)1,000,000
megabytes (MB)1,000
terabytes (TB)0.001
kibibytes (KiB)976,562.5
mebibytes (MiB)953.6743164
gibibytes (GiB)0.9313225746

Formula

MB = GB × 1,000

Example: 10 GB = 10,000 MB. To convert the other way, use GB = MB × 0.001.

Gigabytes to Megabytes conversion table

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

About gigabytes and megabytes

A gigabyte (GB) is one billion bytes. Drive makers use decimal gigabytes, so a "1 TB" drive shows about 931 GiB in many operating systems.

A megabyte (MB) is 1,000,000 bytes in the decimal system.

Other Data Storage conversions

Frequently asked questions

How do I convert gigabytes to megabytes?

Use the formula MB = GB × 1,000. For example, 10 GB = 10,000 MB.

What is 1 gigabyte in megabytes?

1 GB = 1,000 MB.

How do I convert megabytes back to gigabytes?

Use GB = MB × 0.001. 1 MB = 0.001 GB.