1 MB to GB
1 MB = 0.001 GB
1 megabyte equals 0.001 gigabytes.
How to convert 1 MB to GB
Use the formula GB = MB ÷ 1000:
GB = 1 ÷ 1000GB = 0.001
So 1 MB = 0.001 GB.
Rounded values and quick estimate
- Rounded to a whole number: 0 GB
- Rounded to one decimal place: 0 GB
- Conversion factor: 1 megabyte = 0.001 gigabytes
This conversion is exact, so there is no need to estimate: just divide by 1,000.
1 MB in other units
- Gigabytes
- 0.001 GB
- Kilobytes
- 1000 KB
- Terabytes
- 0.000001 TB
- Bits
- 8000000 bits
- Bytes
- 1000000 bytes
1 MB and nearby values
| Megabytes | Gigabytes |
|---|---|
| 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 |
About megabytes and gigabytes
A megabyte is 1,000,000 bytes (decimal). Photos and songs are typically a few megabytes. Operating systems sometimes report mebibytes (1,048,576 bytes) labelled as MB.
A gigabyte is 1,000 megabytes (one billion bytes) as used by drive and phone makers. Windows reports sizes in gibibytes (1,024³ bytes), which is why a 1 TB drive shows about 931 “GB”.
Related conversions
Frequently asked questions
What is 1 MB in GB?
1 megabyte is 0.001 gigabytes (1 MB = 0.001 GB).
How do you convert 1 MB to GB?
Apply GB = MB ÷ 1000: GB = 1 ÷ 1000, GB = 0.001.
How many megabytes is 0.001 GB?
0.001 GB is about 1 megabyte.