Convert GB to MB
Gigabytes to megabytes. Enter a value to convert, or use the GB to MB chart further down the page.
1 gigabyte equals 1,024 megabytes. Going the other way, 1 megabyte = 0.0009765625 gigabytes.
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 GB to MB
To convert gigabytes to megabytes, multiply the gigabyte value by 1024. You can also divide by 0.0009765625 to get the same answer.
MB = GB × 1024
Worked example
Convert 8 GB to megabytes:
8 GB = 8,192 MB
GB to MB conversion chart
Use this GB to MB table for quick reference without typing anything.
| gigabytes (GB) | megabytes (MB) |
|---|---|
| 1 GB | 1,024 MB |
| 2 GB | 2,048 MB |
| 4 GB | 4,096 MB |
| 8 GB | 8,192 MB |
| 16 GB | 16,384 MB |
| 32 GB | 32,768 MB |
| 64 GB | 65,536 MB |
| 128 GB | 131,072 MB |
| 256 GB | 262,144 MB |
| 512 GB | 524,288 MB |
| 1,024 GB | 1,048,576 MB |
Common GB to MB values
Ready-made answers for the GB to MB conversions people look up most often.
1 GB2 GB4 GB8 GB16 GB32 GB64 GB100 GB128 GB200 GB256 GB500 GB512 GB1000 GB1024 GB2000 GB
What is a gigabyte?
A gigabyte is 1,024 megabytes, or 1,073,741,824 bytes, under the binary convention.
What is a megabyte?
A megabyte is 1,024 kilobytes, or 1,048,576 bytes, under the binary convention.
Frequently asked questions
How many MB are in a gigabyte?
1 GB equals 1,024 MB. Going the other way, 1 MB is 0.0009765625 GB.
How do you convert GB to MB?
To convert gigabytes to megabytes, multiply the gigabyte value by 1024. You can also divide by 0.0009765625 to get the same answer.
What is 10 GB in MB?
10 GB equals 10,240 MB. The conversion chart on this page lists the other values people look up most often.
Related data storage conversions
Convert GB to other units
Convert other units to MB
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