Convert GB to MB instantly — formula, worked examples and a conversion table of common values.
Convert gigabytes (GB) to megabytes (MB). Enter a value on either side and the other updates instantly — nothing is sent to a server.
One gigabyte equals 1,000 MB. The table below lists the values people look up most often, and each one links to a page with the worked calculation.
MB = GB × 1,000| Gigabyte (1000³ B) (GB) | Megabyte (1000² B) (MB) |
|---|---|
| 0.1 | 100 |
| 0.5 | 500 |
| 1 | 1,000 |
| 2 | 2,000 |
| 3 | 3,000 |
| 5 | 5,000 |
| 10 | 10,000 |
| 15 | 15,000 |
| 20 | 20,000 |
| 25 | 25,000 |
| 50 | 50,000 |
| 75 | 75,000 |
| 100 | 100,000 |
| 250 | 250,000 |
| 500 | 500,000 |
| 1,000 | 1,000,000 |
1 gigabyte = 1,000 MB.
256 GB = 256,000 MB.
512 GB = 512,000 MB.
Use the formula MB = GB × 1,000. Or type any value into the converter above — it works in both directions.