How to convert megabytes to gigabytes
GB = MB × 0.001Multiply the value in megabytes by 0.001. To go the other way, multiply by 1,000 (or divide by 0.001).
A megabyte is smaller than a gigabyte: it takes 1,000 megabytes to make one gigabyte.
Worked examples
- 1 megabyte1 MB × 0.001 = 0.001 GB
- 5 megabytes5 MB × 0.001 = 0.005 GB
- 10 megabytes10 MB × 0.001 = 0.01 GB
- 20 megabytes20 MB × 0.001 = 0.02 GB
- 100 megabytes100 MB × 0.001 = 0.1 GB
Megabytes to gigabytes conversion table
Values are calculated by the conversion engine and rounded to 8 significant figures.
| Megabytes (MB) | Gigabytes (GB) |
|---|---|
| 0.1 MB | 0.0001 GB |
| 0.25 MB | 0.00025 GB |
| 0.5 MB | 0.0005 GB |
| 1 MB | 0.001 GB |
| 2 MB | 0.002 GB |
| 3 MB | 0.003 GB |
| 4 MB | 0.004 GB |
| 5 MB | 0.005 GB |
| 6 MB | 0.006 GB |
| 7 MB | 0.007 GB |
| 8 MB | 0.008 GB |
| 9 MB | 0.009 GB |
| 10 MB | 0.01 GB |
| Megabytes (MB) | Gigabytes (GB) |
|---|---|
| 12 MB | 0.012 GB |
| 15 MB | 0.015 GB |
| 20 MB | 0.02 GB |
| 25 MB | 0.025 GB |
| 30 MB | 0.03 GB |
| 40 MB | 0.04 GB |
| 50 MB | 0.05 GB |
| 75 MB | 0.075 GB |
| 100 MB | 0.1 GB |
| 250 MB | 0.25 GB |
| 500 MB | 0.5 GB |
| 1,000 MB | 1 GB |
About the units
Megabyte (MB)
1,000,000 bytes (decimal). A minute of MP3 audio is about 1 MB. One megabyte equals 8,000,000 bits (b).
Gigabyte (GB)
10⁹ bytes. Phone storage, data plans and RAM are sold in GB. One gigabyte equals 8,000,000,000 bits (b).
Frequently asked questions
How many gigabytes are in one megabyte?
There are 0.001 gigabytes in one megabyte, and this value is exact by definition.
How do I convert megabytes to gigabytes?
Multiply the number of megabytes by 0.001. For example, 10 MB × 0.001 = 0.01 GB.
How many megabytes are in one gigabyte?
One gigabyte equals 1,000 megabytes. That is the reverse factor, 1 ÷ 0.001.
What is 10 megabytes in gigabytes?
10 MB = 0.01 GB.
Is this MB to GB converter accurate?
Yes. Both units are defined exactly in terms of SI units, so the conversion factor is exact; results are shown to 12 significant figures by default and you can change precision in the converter. Calculations run in your browser using the same tested engine that generated this page.