Data Storage Converter

Understand the difference between decimal storage units and binary computer units when comparing disk capacity, downloads, memory and file sizes.

Units covered

bytekilobytekibibytemegabytemebibytegigabytegibibyteterabytetebibyte

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Frequently asked questions

Frequently Asked Questions

What is the difference between KB and KiB?

KB uses the decimal prefix and equals 1,000 bytes. KiB uses the binary prefix and equals 1,024 bytes.

Why does a drive show less space than advertised?

Drive manufacturers commonly use decimal GB and TB, while operating systems may display binary GiB and TiB.

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Use the universal calculator to choose any two units in the same category.

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