Convert megabytes to gigabytes
Enter a value in megabytes to convert it to gigabytes.
megabytes to gigabytes reference
| megabytes | gigabytes |
|---|---|
| 1 MB | 0.001 GB |
| 2 MB | 0.002 GB |
| 5 MB | 0.005 GB |
| 10 MB | 0.01 GB |
| 25 MB | 0.025 GB |
| 50 MB | 0.05 GB |
| 100 MB | 0.1 GB |
The conversion factor
One megabyte is 0.001 gigabytes. So to convert, multiply your figure in megabytes by 0.001. To go the other way, multiply gigabytes by 1000, or use the gigabytes to megabytes converter.
Doing it in your head
For a quick estimate, round the factor: roughly "divide by 1000". Use the exact converter above when the number matters.
Where this conversion comes up
Storage and download sizes, data caps, and the decimal-vs-binary gap that makes a “1 TB” drive show as about 931 GiB.
See the common unit conversions cheat sheet for the factors worth memorising.
Related tools
Frequently asked questions
How many gigabytes are in a megabyte?
1 megabyte = 0.001 gigabytes.
What is the formula to convert megabytes to gigabytes?
Multiply the number of megabytes by 0.001. To go back the other way, multiply gigabytes by 1000.
What is 10 megabytes in gigabytes?
10 megabytes = 0.01 gigabytes. The reference table below lists more common values.
Is this converter accurate?
It uses the internationally defined conversion factors and computes at full floating-point precision, then rounds only the displayed result. For everyday purposes it is exact; for legal, engineering or scientific work, confirm the required number of significant figures.
Does it work offline?
Yes. The conversion runs in your browser with no server call, so it keeps working with no connection, and nothing you enter is uploaded.
Last reviewed: September 2026. Figures and formulas are checked against their published sources; see the site's data notes.