MB to GB Converter
Convert megabytes (MB) to gigabytes (GB) as you type — 1 MB = 0.001 GB. Switch units, change the precision or copy the result.
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How to use this tool
Steps for using the Unit Converter.
- Enter a value in From — megabytes are already selected.
- The result in gigabytes appears instantly. Change either unit to convert to anything else in data storage.
- Use the swap button for the reverse conversion, and set the decimal places you need.
- Turn on Show formula to see the calculation, then copy or share the result.
Example
1 MB to GB
1 MBGB = 1 ÷ 1000 = 0.001 GBCommon use cases
- Storage and file sizes.
- Explaining drive capacities shown by Windows.
- Memory limits and quotas in cloud and container configs.
MB to GB conversion table
| Megabyte (MB) | Gigabyte (GB) |
|---|---|
| 1 MB | 0.001 GB |
| 2 MB | 0.002 GB |
| 4 MB | 0.004 GB |
| 8 MB | 0.008 GB |
| 16 MB | 0.016 GB |
| 32 MB | 0.032 GB |
| 64 MB | 0.064 GB |
| Megabyte (MB) | Gigabyte (GB) |
|---|---|
| 128 MB | 0.128 GB |
| 256 MB | 0.256 GB |
| 500 MB | 0.5 GB |
| 512 MB | 0.512 GB |
| 1,000 MB | 1 GB |
| 1,024 MB | 1.024 GB |
Values rounded to 6 decimal places.
Related conversions
The units
- Megabyte (MB)
- 1,000,000 bytes. Part of the SI system.
- Gigabyte (GB)
- 10⁹ bytes. Part of the SI system.
How to convert megabytes to gigabytes
File sizes and data usage in MB added up into GB, using decimal (1,000-based) units.
To convert megabytes to gigabytes, use GB = MB ÷ 1000. One megabyte equals 0.001 gigabytes, and one gigabyte equals 1,000 megabytes.
Megabyte (MB): 1,000,000 bytes. Gigabyte (GB): 10⁹ bytes.
For the opposite direction, use the GB to MB converter. All digital information units are on the data storage converter.
Limitations
- Results are rounded to the decimal places you choose; the calculation itself keeps full precision.
Frequently asked questions
How many gigabytes are in a megabyte?
1 MB = 0.001 GB. Multiply megabytes by 0.001 (or use GB = MB ÷ 1000).
How do I convert megabytes to gigabytes?
Use GB = MB ÷ 1000. For example, 1 MB = 0.001 GB and 2 MB = 0.002 GB.
Is 1 GB 1,000 MB or 1,024 MB?
In SI units 1 GB = 1,000 MB. 1,024 is the binary relationship: 1 GiB = 1,024 MiB. Both are offered here, kept separate.
Why does my 1 TB drive show 931 GB?
The drive has 10¹² bytes; Windows divides by 1024³ and labels the result “GB”, giving 931 (really GiB).