Gigabytes to Megabytes Converter
Convert gigabytes to megabytes with a free calculator
How to Convert Gigabytes to Megabytes
Formula: 1 GB = 1,024 MB
Multiply your gigabytes value by 1,024 to get the equivalent in megabytes. The conversion factor 1,024 is based on the internationally accepted definitions of both units.
Gigabytes to Megabytes Reference Table
| Gigabytes (GB) | Megabytes (MB) |
|---|---|
| 1 GB | 1,024 MB |
| 5 GB | 5,120 MB |
| 10 GB | 10,240 MB |
| 25 GB | 25,600 MB |
| 50 GB | 51,200 MB |
| 100 GB | 102,400 MB |
| 500 GB | 512,000 MB |
| 1000 GB | 1,024,000 MB |
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Frequently Asked Questions
How many MB are in 1 GB? +
Using binary (which your computer uses), 1 GB = 1,024 MB. Using the SI decimal definition, 1 GB = 1,000 MB.
Why do hard drives show less space than advertised? +
Drive manufacturers use decimal (1 GB = 1,000 MB) but your OS uses binary (1 GB = 1,024 MB). A 500 GB drive shows as about 465 GB in your OS.
What is the difference between GB and GiB? +
GB can mean either 1,000 MB (decimal) or 1,024 MB (binary). GiB (gibibyte) always means 1,024 MiB. This converter uses the 1,024 standard.