Megabytes to Gigabytes
Convert megabytes to gigabytes instantly.
Megabytes to Gigabytes (MB to GB) Converter
1 megabyte = 0.001 gigabytes
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- 1 MB = 0.001 GB
- 5 MB = 0.005 GB
- 10 MB = 0.01 GB
- 25 MB = 0.025 GB
- MegabytesMB
- GigabytesGB
- MegabytesMB
- GigabytesGB
How it’s calculated
GB = MB × 0.001
- Multiply the value in megabytes by 0.001.
- To go back, divide by 0.001 (or multiply by 1000).
- 1 MB = 0.001 GB · 1 GB = 1,000 MB
Quick examples
1 megabyte = 0.001 gigabytes · 1 GB = 1,000 MB
- 1 megabyte = 0.001 gigabytes
- 5 megabytes = 0.005 gigabytes
- 10 megabytes = 0.01 gigabytes
- 25 megabytes = 0.025 gigabytes
- 100 megabytes = 0.1 gigabytes
Megabytes to gigabytes conversion table
| Megabytes (MB) | Gigabytes (GB) |
|---|---|
| 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 |
| 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 |
| 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 these units
Megabyte (MB)
SI (metric)
1 MB = 8,000,000 bit (exact)
The decimal megabyte: exactly 1,000,000 bytes.
Source: IEC 80000-13 (decimal and binary prefixes)
Gigabyte (GB)
SI (metric)
1 GB = 8,000,000,000 bit (exact)
The decimal gigabyte: exactly 1,000,000,000 bytes. Drive makers use this, while Windows shows binary GiB labelled "GB".
Source: IEC 80000-13 (decimal and binary prefixes)
Frequently asked questions
How do I convert megabytes to gigabytes?
Use GB = MB × 0.001. Multiply the value in megabytes by 0.001.
How many gigabytes are in 1 megabyte?
1 megabyte (MB) equals 0.001 gigabytes (GB).
How many megabytes are in 1 gigabyte?
1 gigabyte (GB) equals 1,000 megabytes (MB).
What is 10 MB in GB?
10 megabytes = 0.01 gigabytes.
What is a megabyte?
The decimal megabyte: exactly 1,000,000 bytes.
What is a gigabyte?
The decimal gigabyte: exactly 1,000,000,000 bytes. Drive makers use this, while Windows shows binary GiB labelled "GB".
Related conversions
Formula: GB = MB × 0.001. Factors last reviewed 2026-10-27.