Convert MB to GB
Megabytes to gigabytes. Enter a value to convert, or use the MB to GB chart further down the page.
1 megabyte equals 0.0009765625 gigabytes. Going the other way, 1 gigabyte = 1,024 megabytes.
Note. This converter uses the binary convention: 1 KB = 1024 bytes, 1 MB = 1024 KB, 1 GB = 1024 MB. That is what Windows, macOS and Linux report. Storage manufacturers instead use decimal SI units where 1 GB = 1,000,000,000 bytes, which is why a “1 TB” drive shows up as about 931 GB.
How to convert MB to GB
To convert megabytes to gigabytes, multiply the megabyte value by 0.0009765625. You can also divide by 1024 to get the same answer.
GB = MB × 0.0009765625
Worked example
Convert 8 MB to gigabytes:
8 MB = 0.0078125 GB
MB to GB conversion chart
Use this MB to GB table for quick reference without typing anything.
| megabytes (MB) | gigabytes (GB) |
|---|---|
| 1 MB | 0.0009765625 GB |
| 2 MB | 0.001953125 GB |
| 4 MB | 0.00390625 GB |
| 8 MB | 0.0078125 GB |
| 16 MB | 0.015625 GB |
| 32 MB | 0.03125 GB |
| 64 MB | 0.0625 GB |
| 128 MB | 0.125 GB |
| 256 MB | 0.25 GB |
| 512 MB | 0.5 GB |
| 1,024 MB | 1 GB |
Common MB to GB values
Ready-made answers for the MB to GB conversions people look up most often.
1 MB10 MB50 MB100 MB200 MB250 MB500 MB512 MB700 MB1000 MB1024 MB2000 MB2048 MB4096 MB5000 MB8192 MB10000 MB
What is a megabyte?
A megabyte is 1,024 kilobytes, or 1,048,576 bytes, under the binary convention.
What is a gigabyte?
A gigabyte is 1,024 megabytes, or 1,073,741,824 bytes, under the binary convention.
Frequently asked questions
How many MB are in a GB?
Operating systems use the binary convention, where 1 GB = 1024 MB. Storage manufacturers use the decimal convention, where 1 GB = 1000 MB. This converter uses 1024, which is why a drive sold as 1 TB shows as roughly 931 GB in Windows.
Why does my hard drive show less space than advertised?
Manufacturers count 1 GB as 1,000,000,000 bytes, but Windows counts it as 1,073,741,824 bytes. The bytes are all there — the two systems just divide them differently, producing a gap of about 7% per gigabyte.
Related data storage conversions
Convert MB to other units
Convert other units to GB
Popular conversions
cm to inchesinches to cmkg to lbslbs to kgCelsius to FahrenheitFahrenheit to Celsiusmm to inchesinches to mmkm to milesmiles to kmmeters to feetfeet to meterscm to feetfeet to inchesinches to feetml to fl ozfl oz to mlliters to gallonsgallons to literscups to ml