Gigabytes to Megabytes Converter
Convert gigabyte to megabyte instantly. Type a value below — the result updates as you type.
When you need to convert gigabyte to megabyte
Data-size conversions help when checking download limits, storage capacity, backup sizes or mobile data caps, where marketing units and operating-system units don't always agree.
Checking file sizes, app downloads and mobile data caps regularly mixes megabytes and gigabytes.
Typical values: 0.5 GB is about 500 MB, and 5 GB works out to roughly 5000 MB. Because the ratio is fixed at 1000, you can scale any amount linearly — doubling the gigabytes doubles the megabytes.
Drive makers count in powers of 1000 while many systems display powers of 1024, which is why advertised and reported capacities differ.
How to convert gigabyte to megabyte
One gigabyte equals 1000 megabytes. To convert, multiply the number of gigabytes by 1000:
megabytes = gigabytes × 1000
For example, 10 gigabytes × 1000 = 10000 megabytes.
Gigabytes to megabytes conversion table
| Data (GB) | Megabytes (MB) |
|---|---|
| 1 GB | 1000 MB |
| 2 GB | 2000 MB |
| 3 GB | 3000 MB |
| 5 GB | 5000 MB |
| 10 GB | 10000 MB |
| 20 GB | 20000 MB |
| 50 GB | 50000 MB |
| 100 GB | 100000 MB |
FAQ
How many megabytes are in a gigabyte?
One gigabyte = 1000 megabytes.
How do I convert megabytes back to gigabytes?
Divide by 1000, or use the megabytes to gigabytes converter.