Convert megabytes to gigabytes
Enter a value in megabytes (MB) to get gigabytes (GB). One megabyte is 0.001 gigabytes; one gigabyte is 1,000 megabytes.
How to use the Megabyte to gigabyte
- Type the number of megabytes.
- Click Convert.
- Read the result in gigabytes, plus the same value in every other digital storage unit.
MB to GB formula
gigabytes = megabytes × 0.001. To go the other way, megabytes = gigabytes × 1,000 (see gigabytes to megabytes).
Worked example
12 MB × 0.001 = 0.012 GB.
Megabytes to gigabytes conversion table
| Megabytes | Gigabytes |
|---|---|
| 0.1 MB | 0.0001 GB |
| 0.5 MB | 0.0005 GB |
| 1 MB | 0.001 GB |
| 2 MB | 0.002 GB |
| 3 MB | 0.003 GB |
| 5 MB | 0.005 GB |
| 10 MB | 0.01 GB |
| 20 MB | 0.02 GB |
| 25 MB | 0.025 GB |
| 50 MB | 0.05 GB |
| 100 MB | 0.1 GB |
| 250 MB | 0.25 GB |
| 500 MB | 0.5 GB |
| 1,000 MB | 1 GB |
About the megabyte
1,000,000 bytes. A typical phone photo is 2–5 MB.
About the gigabyte
1,000 MB. Phone storage and mobile data plans.
Related conversions
gigabytes to megabytes · megabytes to kilobytes · megabytes to mebibytes · any unit.
Frequently asked questions
How many gigabytes in a megabyte?
0.001 gigabytes.
How many megabytes in a gigabyte?
1,000 megabytes.
Is the factor exact?
The factor 0.001 is derived from the units' exact definitions; only the display is rounded.
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Last updated 2026-09-23.