Gigabytes to Megabytes Converter

Type a value in gigabytes to see it in megabytes. It works both ways: type in the megabytes box to convert back.

Formula

To convert gigabytes to megabytes, multiply by 1,000.

1 GB = 1,000 MB and 1 MB = 0.001 GB.

Gigabytes to megabytes table

Gigabytes to megabytes
GigabytesMegabytes
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
128 GB128,000 MB
256 GB256,000 MB
500 GB500,000 MB
1,000 GB1,000,000 MB

Worked examples

2 GB in megabytes

2 GB

2,000 MB

2 × 1,000 = 2,000

32 GB in megabytes

32 GB

32,000 MB

32 × 1,000 = 32,000

500 GB in megabytes

500 GB

500,000 MB

500 × 1,000 = 500,000

About Gigabytes to Megabytes Converter

This converter turns gigabytes into megabytes as you type, and works the other way too: type in the megabytes box to convert back. To convert gigabytes to megabytes, multiply by 1,000. For example, 2 GB is 2,000 MB, and 32 GB is 32,000 MB.

Data sizes come in decimal units (1 GB = 1,000 MB) used by storage makers, and binary units (1 GiB = 1,024 MiB) used by many operating systems. This page says which it uses. Both units have exact definitions, so the converter gives an exact result, rounded only for display. Use the table below for common values, or set the decimal places to round the answer for a form or a label.

How to use Gigabytes to Megabytes Converter

  1. Type the amount in gigabytes in the first box.
  2. Read the answer in megabytes in the second box and in the result line below.
  3. To convert the other way, type in the megabytes box instead, or use the swap button to open the megabytes to gigabytes page.
  4. Choose a number of decimal places if you need a rounded figure, then copy the result line.

Common uses

  • Understanding why a new drive shows less space than advertised
  • Working out mobile data or cloud storage needs
  • Converting download speeds into transfer times
  • Checking whether files will fit on a drive or a memory card

Frequently asked questions

How many megabytes are in one gigabyte?

There are 1,000 megabytes in one gigabyte. This figure is exact, because both units have fixed definitions.

How do I convert gigabytes to megabytes?

To convert gigabytes to megabytes, multiply by 1,000. For example, 500 GB is 500,000 MB.

How do I convert megabytes to gigabytes?

Going the other way, divide by 1,000 (the same as multiplying by 0.001). The megabytes to gigabytes converter does this for you.

What is 128 GB in megabytes?

128 GB is 128,000 MB.

Why does my computer show less space than the drive says?

Drive makers count 1 GB as 1,000,000,000 bytes. Windows counts in binary units, where 1 GiB is 1,073,741,824 bytes, but labels them GB. So a 500 GB drive appears as about 465 GB.