Convert Gigabytes to Megabytes
Gigabytes (GB) to Megabytes (MB) — the formula, a worked example and a live converter, all in your browser.
Result
Gigabytes to Megabytes formula
To convert, multiply by the fixed factor below:
MB = GB × 1,000
Worked example
1 GB = 1 × 1,000 = 1,000 MB.
Gigabytes to Megabytes conversion table
| Gigabytes (GB) | Megabytes (MB) |
|---|---|
| 1 | 1,000 |
| 5 | 5,000 |
| 10 | 10,000 |
| 100 | 100,000 |
| 500 | 500,000 |
| 1,000 | 1,000,000 |
Common uses
Useful for splitting a gigabyte-scale quota into per-file megabyte budgets, or estimating how many photos fit in your remaining storage.
Related conversions
Need a different pair? Use the full data storage converter for bits, bytes and every unit up to petabytes.
Frequently asked questions
What is the formula to convert gigabytes to megabytes?
Multiply the number of gigabytes by 1,000 to get megabytes (MB = GB × 1,000).
How many megabytes are in a gigabyte?
One gigabyte equals 1,000 megabytes.
Is this converter accurate?
Yes. It uses the exact decimal (1000-based) and binary (1024-based) definitions and runs entirely in your browser, so nothing you type is uploaded.