Gigabytes to Megabytes Converter
Enter a value in gigabytes to instantly get the result in megabytes.
How to Convert Gigabytes to Megabytes
The formula is: MB = GB × 1,024
In binary computing (the IEC standard), 1 gigabyte = 1,024 megabytes. Storage manufacturers sometimes use the decimal definition where 1 GB = 1,000 MB, which is why your 256 GB drive may show less space than expected. This converter uses the binary standard.
Gigabytes to Megabytes Conversion Table
| Gigabytes (GB) | Megabytes (MB) |
|---|---|
| 1 GB | 1,024 MB |
| 2 GB | 2,048 MB |
| 4 GB | 4,096 MB |
| 8 GB | 8,192 MB |
| 16 GB | 16,384 MB |
| 32 GB | 32,768 MB |
| 64 GB | 65,536 MB |
| 128 GB | 131,072 MB |
| 256 GB | 262,144 MB |
| 512 GB | 524,288 MB |
| 1000 GB | 1,024,000 MB |
Frequently Asked Questions
How many MB are in a GB?
1 gigabyte = 1,024 megabytes (binary/IEC standard used in computing).
What is the formula to convert GB to MB?
MB = GB × 1024. For example, 5 GB = 5,120 MB.
Is 1 GB equal to 1000 MB or 1024 MB?
In computing (binary), 1 GB = 1,024 MB. In SI/decimal (used by storage manufacturers), 1 GB = 1,000 MB. This tool uses the binary standard.
How many MB is 2 GB?
2 GB × 1,024 = 2,048 MB.