Megabyte to Gigabyte Converter
1 megabyte is exactly 0.001 gigabytes. Convert megabytes (MB) to gigabytes (GB) below: type a value and the result updates as you type.
MB to GB calculator
Result
Megabyte to Gigabyte conversion
1 MB = 0.001 GBone megabyte in gigabytes
1 GB = 1000 MBone gigabyte in megabytes
Megabyte (MB): One million bytes (decimal). The binary counterpart, 1,048,576 bytes, is the mebibyte (MiB).
Gigabyte (GB): One billion bytes (decimal). Storage makers use GB; many operating systems show GiB but label it GB.
Source:IEC 80000-13:2008, Quantities and units: Information science and technology
How to convert megabytes to gigabytes
To convert megabytes to gigabytes, multiply the number of megabytes by 0.001.
Formula
GB = MB × 0.001
Examples
- 5 MB = 5 × 0.001 = 0.005 GB
- 25 MB = 25 × 0.001 = 0.025 GB
- 100 MB = 100 × 0.001 = 0.1 GB
Megabyte to Gigabyte conversion table
| Megabyte (MB) | Gigabyte (GB) |
|---|---|
| 0.1 MB | 0.0001 GB |
| 0.5 MB | 0.0005 GB |
| 1 MB | 0.001 GB |
| 2 MB | 0.002 GB |
| 3 MB | 0.003 GB |
| 5 MB | 0.005 GB |
| 10 MB | 0.01 GB |
| 20 MB | 0.02 GB |
| 25 MB | 0.025 GB |
| 50 MB | 0.05 GB |
| 100 MB | 0.1 GB |
| 250 MB | 0.25 GB |
| 500 MB | 0.5 GB |
| 1000 MB | 1 GB |
Values rounded to 10 significant digits where needed.
Frequently asked questions
- How many gigabytes are in one megabyte?
- One megabyte is exactly 0.001 gigabytes.
- How do I convert gigabytes to megabytes?
- To convert gigabytes to megabytes, multiply the number of gigabytes by 1000. The formula is MB = GB × 1000.
- Is this conversion exact?
- Yes. Both units have exact definitions and the factor 0.001 is exact. Displayed results are only rounded when they have many decimal places.
- Which is larger, a megabyte or a gigabyte?
- A gigabyte is 1000 times larger than a megabyte. In other words, a megabyte is exactly 1/1000 of a gigabyte.