Unit converter
Convert gigabytes to megabytes
Enter a value in gigabytes to calculate the equivalent in megabytes using the authoritative EzyCalculator unit engine.
How to convert GB to MB
Gigabytes to megabytes helps estimate decimal storage and transfer sizes; this page uses SI units where one gigabyte is 1,000 megabytes.
Formula: MB = GB × 1,000
Reverse formula: GB = MB × 0.001
Worked example: 1 GB = 1,000 MB.
Useful for: Decimal file and storage sizes in megabytes.
Common GB to MB conversions
| gigabytes | megabytes |
|---|---|
| 1 GB | 1,000 MB |
| 2 GB | 2,000 MB |
| 5 GB | 5,000 MB |
| 10 GB | 10,000 MB |
| 50 GB | 50,000 MB |
| 100 GB | 100,000 MB |
About the units
A gigabyte is an universal unit represented by GB. A megabyte is an universal unit represented by MB. Calculations use the same authoritative registry as the full data storage converter, retaining full precision until display.