Unit converter
Data Size Converter
Convert digital storage sizes between bytes and decimal or binary kilobyte, megabyte, and gigabyte units.
How the data size converter works
Convert through bytes: result = value × source factor ÷ target factor. Decimal units use powers of 1,000; binary units use powers of 1,024. Choose the source and target units above. Your conversion is calculated locally in your browser.
1 GB (decimal) = 1,000 MB.
1 GiB = 1,024 MiB.
1 MB (decimal) ≈ 0.953674 MiB.
Frequently asked questions
How do I use this unit converter?
Enter a value, choose its current unit and the unit you want, then select Convert. The result is calculated in your browser.
Can I convert decimal values?
Yes. Decimal values are supported and the result is rounded only for display.
Are these conversions exact?
The calculator uses the conversion factors shown in its formula. Display rounding can hide digits, so retain more precision when needed.
Can I enter zero or a negative number?
Zero is valid. Negative values are accepted for temperature and angle conversions; other physical quantities must be zero or positive.
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