Instantly convert gigabytes (GB) to megabytes (MB). Bidirectional, accurate, and free.
To convert gigabytes to megabytes, use the formula megabytes = gigabytes × 1,024. For example, 2 gigabytes equals 2,048 megabytes. Type any number into the calculator above and the result appears instantly — you can also type into the megabytes box to convert the other way.
| Gigabytes | Megabytes |
|---|---|
| 1 GB | 1,024 MB |
| 2 GB | 2,048 MB |
| 4 GB | 4,096 MB |
| 8 GB | 8,192 MB |
| 16 GB | 16,384 MB |
| 32 GB | 32,768 MB |
| 64 GB | 65,536 MB |
| 128 GB | 131,072 MB |
There are 1,024 megabytes in one gigabyte. To convert any value, apply the formula megabytes = gigabytes × 1,024.
The formula is megabytes = gigabytes × 1,024. Enter a value above and the result updates instantly in both directions.
Yes. It uses the exact internationally-defined conversion factor, so results match official standards to several decimal places.
Yes — the converter is bidirectional. Type in either box and the other updates automatically using the inverse formula.