UsefulTab
MB to GB Converter
Convert megabytes to gigabytes instantly, using binary (1024-based) units.
Enter a data size to convert it
Enter a size and pick its unit. Every other unit is calculated live using binary (1024-based) sizing — right here in your browser, with nothing sent to a server.
Runs entirely in your browserEnjoying this tool?
UsefulTab is free, with no sign-up and no limits. If it saved you some time, you can treat me to something small from my wishlist — totally optional.
How to convert MB to GB
This converter uses binary units, where 1 GB = 1024 MB, so divide megabytes by 1024 to get gigabytes. For example, 2048 MB ÷ 1024 = 2 GB. Windows and most memory specs count this way. Drive makers and macOS use decimal units (1 GB = 1000 MB), so the same size can look slightly different there.
Megabytes to gigabytes table
| Megabytes (MB) | Gigabytes (GB) |
|---|---|
| 100 MB | 0.0977 GB |
| 500 MB | 0.4883 GB |
| 1024 MB | 1 GB |
| 2048 MB | 2 GB |
| 5000 MB | 4.8828 GB |
| 10240 MB | 10 GB |
Common questions
How many MB are in 1 GB?
1024 MB in binary units, as used here and by Windows. In decimal units (drive makers, macOS) it is 1000 MB.
How many GB is 5000 MB?
5000 MB is about 4.88 GB in binary units, or exactly 5 GB in decimal units.
Why does my 1 TB drive show as 931 GB?
The drive is sold in decimal units (1 TB = 10¹² bytes), but your computer reports binary units. 10¹² bytes is about 931 binary GB.