GB to MB Converter
Convert gigabytes to megabytes instantly, and megabytes back to GB. Uses the decimal standard where 1 GB = 1000 MB.
Independently verified for accuracy
Calculator by Toolsloft ↗- Result
- 1000 Megabytes (MB)
- Conversion
- 1 Gigabytes (GB) = 1000 Megabytes (MB)
Convert gigabytes to megabytes and back in one step. Useful when an upload limit, email attachment cap, or app setting is listed in MB but you are thinking in GB. Type the number of GB and read the answer in MB.
How this is calculated
This uses the decimal (SI) standard where 1 gigabyte equals 1000 megabytes. Gigabytes are multiplied by 1000 to get megabytes. If your operating system reports sizes in binary units (1 GiB = 1024 MiB), the same file will show a slightly different figure.
How to use
- Enter the number of gigabytes.
- Keep the direction on GB to MB, or press Swap units for MB to GB.
- Read the result in megabytes.
Examples
- One gigabyte:
1 GB = 1000 MB - A quarter GB:
0.25 GB = 250 MB - MB back to GB:
3000 MB = 3 GB
FAQ
- How many MB are in a GB?
- 1000 MB in the decimal standard used by storage vendors and network tools. Binary reporting in some operating systems treats 1 GB as 1024 MB.
- How do I convert GB to MB?
- Multiply the number of gigabytes by 1000. For example, 2 GB times 1000 is 2000 MB.