What is the GB to MB Converter?
Convert gigabytes to megabytes instantly, with the conversion factor and a table of other units.
Results update as you type, and nothing you enter leaves your device.
How it is calculated
megabytes = gigabytes × 1,024.00
How to use it
- Fill in the fields at the top of the page.
- Read the result in the results panel. It updates as you type.
- Change any value to compare scenarios, or use Share to send the result as a link.
Common questions
How do I convert gigabytes to megabytes?
Multiply the value in gigabytes by 1,024.00. For example, 10 gigabytes = 10,240.00 megabytes.
How do I convert megabytes back to gigabytes?
Divide by 1,024.00, or press the swap button between the two unit boxes.
What formula does the GB to MB Converter use?
It uses: megabytes = gigabytes × 1,024.00.
Is the GB to MB Converter free, and is my data stored?
It is free with no sign-up. The calculation runs in your browser, so the values you enter are not sent to or stored on our server.