MB to GB Converter
Formula
GB = MB ÷ 1024
Divide megabytes by 1024 to get gigabytes (binary). In decimal, 1 GB = 1000 MB.
How to use
- Enter the size in the Megabytes field.
- The converter divides your value by 1024 automatically.
- Read the result in gigabytes below.
Example
Enter 1024 in the Megabytes field. Dividing 1024 by 1024 gives 1, so 1024 MB equals 1 GB.
Frequently Asked Questions
Is 1 GB = 1000 MB or 1024 MB?
In computing (binary): 1 GB = 1024 MB. In storage marketing (decimal): 1 GB = 1000 MB.
Why does my phone show less storage than the box advertised?
Manufacturers advertise storage in decimal units, where 1 GB equals 1000 MB, but operating systems often calculate space using binary units, where 1 GB equals 1024 MB. This mismatch means a drive sold as 256 GB may show closer to 238 GB usable. The system software and pre-installed files also take up some of that space.
How many photos or songs fit in 1 GB?
Roughly 1 GB holds about 200 to 250 high-resolution photos at around 5 MB each, or about 250 songs at 3 to 4 MB each. Video uses far more: 1 GB covers only about 20 to 60 minutes of streaming depending on the resolution. These are estimates, since file sizes vary with quality and format.