Gigabytes to Megabytes Converter (GB to MB)
Type a value in gigabytes to see it in megabytes instantly.
1 gigabyte (GB) = 1,000 megabytes (MB)
1 megabyte (MB) = 0.001 gigabytes (GB)
How to convert gigabytes to megabytes
Multiply the number of gigabytes by 1,000.
MB = GB × 1,000
Example: 2 GB × 1,000 = 2,000 MB
Decimal units are used here (1 GB = 1,000 MB). In binary units, 1 GiB = 1,024 MiB.
GB to MB conversion table
| Gigabytes (GB) | Megabytes (MB) |
|---|---|
| 0.1 GB | 100 MB |
| 0.25 GB | 250 MB |
| 0.5 GB | 500 MB |
| 1 GB | 1,000 MB |
| 1.5 GB | 1,500 MB |
| 2 GB | 2,000 MB |
| 3 GB | 3,000 MB |
| 4 GB | 4,000 MB |
| 5 GB | 5,000 MB |
| 8 GB | 8,000 MB |
| 10 GB | 10,000 MB |
| 16 GB | 16,000 MB |
| 20 GB | 20,000 MB |
| 32 GB | 32,000 MB |
| 50 GB | 50,000 MB |
| 64 GB | 64,000 MB |
| 100 GB | 100,000 MB |
| 128 GB | 128,000 MB |
| 256 GB | 256,000 MB |
| 512 GB | 512,000 MB |
About the units
Gigabyte (GB)
A gigabyte is 1,000,000,000 bytes in the decimal convention used on drive packaging, phone plans and cloud storage.
Megabyte (MB)
In the SI (decimal) convention used by storage makers and networking, a megabyte is 1,000,000 bytes. Some software still uses "MB" to mean 1,048,576 bytes — properly called a mebibyte (MiB).
Frequently asked questions
How many megabytes are in 1 gigabyte?
1 gigabyte equals 1,000 megabytes.
How do I convert gigabytes to megabytes?
Multiply the number of gigabytes by 1,000. For example, 2 GB × 1,000 = 2,000 MB.
How many gigabytes are in 1 megabyte?
1 megabyte equals 0.001 gigabytes.
How many MB is 2 GB of mobile data?
In decimal units used by carriers, 2 GB is 2,000 MB.
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Background reading: Bits, Bytes, KB vs KiB.