How to convert megabytes to gigabytes
One megabyte equals 0.001 gigabytes, so multiply the value in megabytes by 0.001: GB = MB × 0.001. Equivalently, divide by 1000.
Example: 500 MB = 500 × 0.001 = 0.5 GB.
Megabytes to gigabytes table
| Megabytes (MB) | Gigabytes (GB) |
|---|---|
| 0.1 | 0.0001 |
| 0.5 | 0.0005 |
| 1 | 0.001 |
| 2 | 0.002 |
| 3 | 0.003 |
| 4 | 0.004 |
| 5 | 0.005 |
| 6 | 0.006 |
| 7 | 0.007 |
| 8 | 0.008 |
| 9 | 0.009 |
| 10 | 0.01 |
| 15 | 0.015 |
| 20 | 0.02 |
| 25 | 0.025 |
| 30 | 0.03 |
| 40 | 0.04 |
| 50 | 0.05 |
| 75 | 0.075 |
| 100 | 0.1 |
| 250 | 0.25 |
| 500 | 0.5 |
| 1,000 | 1 |
About the units
- Megabyte (MB): Decimal megabyte: 1,000,000 bytes, as used by storage makers, macOS and network speeds.
- Gigabyte (GB): Decimal gigabyte: 1,000,000,000 bytes, the unit on drive labels and data plans.
Need the other direction? Convert gigabytes to megabytes — 1 gigabyte = 1,000 megabytes.
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Open the unit converter Frequently asked questions
How many gigabytes are in a megabyte?
1 megabyte = 0.001 gigabytes.
What is the formula for megabytes to gigabytes?
GB = MB × 0.001.
How much is 500 MB in GB?
500 MB = 0.5 GB.