GB to MB converter
1 GB = 1000 MB (SI decimal); 1 MB = 0.001 GB. In binary, 1 GiB = 1024 MiB. To convert GB to MB, multiply by 1000.
Conversion formula
MB = GB × 1000
Conversion table
| 1 GB | 1000 MB |
|---|---|
| 2 GB | 2000 MB |
| 3 GB | 3000 MB |
| 4 GB | 4000 MB |
| 5 GB | 5000 MB |
| 6 GB | 6000 MB |
| 7 GB | 7000 MB |
| 8 GB | 8000 MB |
| 9 GB | 9000 MB |
| 10 GB | 10000 MB |
| 15 GB | 15000 MB |
| 20 GB | 20000 MB |
| 25 GB | 25000 MB |
| 50 GB | 50000 MB |
| 100 GB | 100000 MB |
| 1000 GB | 1000000 MB |
Reverse conversion table
| 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 |
| 50 MB | 0.05 GB |
| 100 MB | 0.1 GB |
| 1000 MB | 1 GB |
Key facts
| 1 GB (SI decimal) | 1000 MB |
|---|---|
| 1 GiB (IEC binary) | 1024 MiB |
| 1 GB | 8,000,000,000 bits |
| Formula | MB = GB × 1000 |
Frequently asked questions
How many MB is 1 GB?
1 GB equals 1000 MB in SI decimal. In binary, 1 GiB equals 1024 MiB.
How do I convert GB to MB?
Multiply GB by 1000 for decimal. For example, 5 GB = 5000 MB.
Reverse conversion
Printable A4 conversion cheat sheet — see the Downloads page