How to convert gigabytes to megabytes
Gigabytes and Megabytes both measure data, so converting is a single multiplication. One GB equals 1,000 MB, so you multiply your gigabytes value by 1,000.
Formula: megabytes = gigabytes × 1,000. For example, 10 GB = 10,000 MB.
Gigabytes to Megabytes conversion table
| Gigabytes (GB) | Megabytes (MB) |
|---|---|
| 1 | 1,000 |
| 2 | 2,000 |
| 5 | 5,000 |
| 10 | 10,000 |
| 25 | 25,000 |
| 50 | 50,000 |
| 100 | 100,000 |
| 1,000 | 1,000,000 |
Gigabytes and Megabytes explained
Gigabytes (GB): One billion bytes, used for videos, apps and storage.
Megabytes (MB): One million bytes, used for photos and documents.
When you'd convert gigabytes to megabytes
You'll convert gigabytes to megabytes whenever a measurement is given in one unit but you need it in the other — comparing gigabytes and megabytes figures across regions, following a recipe or spec, or double-checking a number. Because 1 GB is exactly 1,000 MB, the result is precise every time.
Frequently asked questions
How many megabytes are in a gigabyte?
One GB equals 1,000 MB. Multiply your gigabytes figure by 1,000 to get megabytes.
What is the formula to convert gigabytes to megabytes?
megabytes = gigabytes × 1,000. The factor 1,000 is exact.
What is 2 gigabytes in megabytes?
2 GB = 2,000 MB. You can enter any value in the converter above to get an instant result.
Is this Gigabytes to Megabytes converter accurate?
Yes. It uses the standard conversion factor (1 GB = 1,000 MB) defined by IEC 80000-13 — units of information (bit, byte), so results are exact to several decimal places.