Megabytes to Gigabytes Converter
Convert megabytes to gigabytes instantly. Type a value, change either unit, or press swap to go the other way. 1 megabyte = 0.001 gigabytes.
1 megabyte = 0.001 gigabytes
How to convert megabytes to gigabytes
gigabytes = megabytes × 0.001
To convert megabytes to gigabytes, multiply the value by 0.001. To go back from gigabytes to megabytes, divide by the same number (or multiply by 1,000).
Worked examples
- 500 MB: 500 × 0.001 = 0.5 GB
- 1,000 MB: 1,000 × 0.001 = 1 GB
- 2,000 MB: 2,000 × 0.001 = 2 GB
Divide by 1,000 (or 1,024 if you work in binary units). A 4,500 MB video file is 4.5 GB.
Megabytes to Gigabytes conversion table
Megabytes to Gigabytes
| MB | GB |
|---|---|
| 1 | 0.001 |
| 100 | 0.1 |
| 500 | 0.5 |
| 1,000 | 1 |
| 2,000 | 2 |
| 5,000 | 5 |
| 10,000 | 10 |
| 50,000 | 50 |
| 100,000 | 100 |
| 1,000,000 | 0 |
Gigabytes to Megabytes
| GB | MB |
|---|---|
| 1 | 1,000 |
| 100 | 100,000 |
| 500 | 500,000 |
| 1,000 | 1,000,000 |
| 2,000 | 2,000,000 |
| 5,000 | 5,000,000 |
| 10,000 | 10,000,000 |
| 50,000 | 50,000,000 |
| 100,000 | 100,000,000 |
| 1,000,000 | 1,000,000,000 |
Data equivalents
See how one megabyte and one gigabyte compare with every other data unit on the site.
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 |
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 |
When you need to convert megabytes to gigabytes
Phone plans, cloud storage tiers and video file sizes switch between megabytes and gigabytes. If you want to know how many photos fit on a card or whether a movie fits within your monthly data allowance, converting between them is the first step.
About the units
Megabyte (MB)
A megabyte is 1,000 kilobytes (1,000,000 bytes). A typical smartphone photo is a few megabytes.
Gigabyte (GB)
A gigabyte is 1,000 megabytes. Phones, memory sticks and download limits are commonly sized in gigabytes.
Frequently asked questions
How do I convert megabytes to gigabytes?
Multiply the number of megabytes by 0.001. For example, 10 megabytes × 0.001 = 0.01 gigabytes.
How many gigabytes are in one megabyte?
There are 0.001 gigabytes in one megabyte.
How many megabytes are in one gigabyte?
There are 1,000 megabytes in one gigabyte.
How many megabytes are in a gigabyte?
In the decimal system, 1 GB equals 1,000 MB. In the binary system, 1 GiB equals 1,024 MiB. Operating systems often show the binary figure but label it "GB".
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.