Gigabytes to Megabytes Converter
Convert gigabytes to megabytes instantly. 1 GB = 1,000 MB. Free two-way converter with the formula and a quick reference table.
How to convert gigabytes to megabytes
megabytes = gigabytes × 1,000
One gigabyte equals 1,000 megabytes, so to convert gigabytes to megabytes you multiply by 1,000. Going the other way, one megabyte is 0.001 gigabytes. Both units measure digital storage, so the conversion is an exact ratio that never changes.
10 gigabytes = 10,000 megabytes. Multiply your gigabyte figure by the factor above (or just type it into the box) to convert any amount.
Need the other direction? megabytes to gigabytes
gigabytes to megabytes table
| gigabytes (GB) | megabytes (MB) |
|---|---|
| 1 | 1,000 |
| 2 | 2,000 |
| 3 | 3,000 |
| 5 | 5,000 |
| 10 | 10,000 |
| 20 | 20,000 |
| 25 | 25,000 |
| 50 | 50,000 |
| 100 | 100,000 |
| 250 | 250,000 |
| 500 | 500,000 |
| 1,000 | 1,000,000 |
Frequently asked questions
How many megabytes are in a gigabyte?
One gigabyte equals 1,000 megabytes. So to convert, multiply the number of gigabytes by 1,000.
How do I convert gigabytes to megabytes?
Multiply by 1,000, or simply enter the value in the converter above — it does the math instantly and works both ways.
Is this conversion exact?
These use the decimal (1000-based) definitions used by storage makers and networks; operating systems sometimes show binary (1024-based) values, which differ slightly.