Megabytes - Gigabytes Converter


Convert between megabytes (MB) and gigabytes (GB). This converter is part of the full data storage converter tool. Simply choose which unit you want to convert from and to, enter a value and click the 'convert' button. A reference chart can be found further down the page.

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Converting gigabytes and megabytes

Some commonly asked questions are included below, as well as a reference chart. When making manual conversions, you can use the converter at the top of this page to check your answer.

How many megabytes are there in 1 gigabyte?

There are 1000 megabytes in 1 gigabyte. To convert from gigabytes to megabytes, multiply your figure by 1000 (or divide by 0.001) .

How many gigabytes are there in 1 megabyte?

There are 0.001 gigabytes in 1 megabyte. To convert from megabytes to gigabytes, multiply your figure by 0.001 (or divide by 1000) .

In the chart below, figures are rounded to a maximum of 3 decimal places (6 with smaller numbers) to give approximations.

Gigabytes and megabytes reference chart

Gigabytes Megabytes Megabytes Gigabytes
0.1 100 MB 0.1 0.0001 GB
1 1000 MB 1 0.001 GB
2 2000 MB 2 0.002 GB
3 3000 MB 3 0.003 GB
4 4000 MB 4 0.004 GB
5 5000 MB 5 0.005 GB
6 6000 MB 6 0.006 GB
7 7000 MB 7 0.007 GB
8 8000 MB 8 0.008 GB
9 9000 MB 9 0.009 GB
10 10000 MB 10 0.01 GB
20 20000 MB 20 0.02 GB
30 30000 MB 30 0.03 GB
40 40000 MB 40 0.04 GB
50 50000 MB 50 0.05 GB
60 60000 MB 60 0.06 GB
70 70000 MB 70 0.07 GB
80 80000 MB 80 0.08 GB
90 90000 MB 90 0.09 GB
100 100000 MB 100 0.1 GB

What is a gigabyte?

A gigabyte is the equivalent of 1,000,000,000 bytes. Still, many fields of computer science will refer to this number as 1,073,741,824 (1,024^3) bytes. This second figure will often be used when speaking about different sizes of RAM within an operating system. To make sense out of this large figure, let's use it in reference:

  • 1 gigabyte is 1,000 megabytes.
  • 1 gigabyte is 1,000,000 kilobytes.
So, we can see how these numbers will exponentially add up. This should come as no surprise, as the typical storage capacity of a smartphone is now generally between 2 and 4 gigabytes. That is a lot of bytes!

What is a megabyte?

Most computer users are very familiar with the megabyte. As you might have already guessed, a megabyte is the equivalent of 1,000,000 bytes (or 10^6 bytes). We should point out that there is more than meets the eye here. While the SI definition is one million bytes of information, many computing professionals will instead use the more precise number of 1,048,576 bytes (1,024^2). This arises from the binary multiples that occur (each byte contains eight bits of information within its string).

Other individual data storage converters

Gigabytes and Bits, Gigabytes and Bytes, Kilobytes and Gigabytes, Megabytes and Bits, Megabytes and Bytes, Megabytes and Gigabytes, Megabytes and Kilobytes, Terabytes and Gigabytes, Terabytes and Megabytes,