Gigabytes to Megabytes Converter
Convert gigabytes to megabytes instantly. Type a value, change either unit, or press swap to go the other way. 1 gigabyte = 1,000 megabytes.
1 gigabyte = 1,000 megabytes
How to convert gigabytes to megabytes
megabytes = gigabytes × 1,000
To convert gigabytes to megabytes, multiply the value by 1,000. To go back from megabytes to gigabytes, divide by the same number (or multiply by 0.001).
Worked examples
- 2 GB: 2 × 1,000 = 2,000 MB
- 4 GB: 4 × 1,000 = 4,000 MB
- 5 GB: 5 × 1,000 = 5,000 MB
Multiply by 1,000 (or 1,024 using binary units). A 4 GB movie is 4,000 MB.
Gigabytes to Megabytes conversion table
Gigabytes to Megabytes
| GB | MB |
|---|---|
| 0.5 | 500 |
| 1 | 1,000 |
| 2 | 2,000 |
| 4 | 4,000 |
| 5 | 5,000 |
| 8 | 8,000 |
| 16 | 16,000 |
| 32 | 32,000 |
| 64 | 64,000 |
| 128 | 128,000 |
Megabytes to Gigabytes
| MB | GB |
|---|---|
| 0.5 | 0.0005 |
| 1 | 0.001 |
| 2 | 0.002 |
| 4 | 0.004 |
| 5 | 0.005 |
| 8 | 0.008 |
| 16 | 0.016 |
| 32 | 0.032 |
| 64 | 0.064 |
| 128 | 0.128 |
Data equivalents
See how one gigabyte and one megabyte compare with every other data unit on the site.
1 gigabyte equals
| Unit | Value |
|---|---|
| bits (bit) | 8,000,000,000 |
| bytes (B) | 1,000,000,000 |
| kilobytes (KB) | 1,000,000 |
| megabytes (MB) | 1,000 |
| terabytes (TB) | 0 |
| petabytes (PB) | 0 |
| kibibytes (KiB) | 976,562.5 |
| mebibytes (MiB) | 953.6743 |
| gibibytes (GiB) | 0 |
| tebibytes (TiB) | 0 |
1 megabyte equals
| Unit | Value |
|---|---|
| bits (bit) | 8,000,000 |
| bytes (B) | 1,000,000 |
| kilobytes (KB) | 1,000 |
| gigabytes (GB) | 0.001 |
| terabytes (TB) | 0 |
| petabytes (PB) | 0 |
| kibibytes (KiB) | 976.5625 |
| mebibytes (MiB) | 0.9536743 |
| gibibytes (GiB) | 0 |
| tebibytes (TiB) | 0 |
When you need to convert gigabytes to megabytes
Phone plans, game downloads and cloud storage limits are given in gigabytes, but individual files, email attachments and upload limits are in megabytes. Converting helps you know whether a file will fit within a limit.
About the units
Gigabyte (GB)
A gigabyte is 1,000 megabytes. Phones, memory sticks and download limits are commonly sized in gigabytes.
Megabyte (MB)
A megabyte is 1,000 kilobytes (1,000,000 bytes). A typical smartphone photo is a few megabytes.
Frequently asked questions
How do I convert gigabytes to megabytes?
Multiply the number of gigabytes by 1,000. For example, 10 gigabytes × 1,000 = 10,000 megabytes.
How many megabytes are in one gigabyte?
There are 1,000 megabytes in one gigabyte.
How many gigabytes are in one megabyte?
There are 0.001 gigabytes in one megabyte.
How many photos fit in 1 GB?
At about 4 MB per smartphone photo, 1 GB holds roughly 250 photos. A 12-megapixel photo is typically between 2 and 6 MB.
Can I convert other data units with this tool?
Yes. Use the From and To drop-downs in the converter to choose any data unit, or press the swap button to reverse the conversion. All calculations use internationally defined conversion factors.