Storage Unit Converter
Free online data storage unit converter.
Convert between all data storage units instantly with accurate results, formulas, and reference tables.
No signup required.
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Frequently Asked Questions
Common questions about the Storage Unit Converter
Manufacturers use decimal (1 TB = 1000 GB), but OS uses binary (1 TiB = 1024 GiB). A 1TB drive shows ~931 GiB.
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Sources & References
Binary vs decimal multiples (KB, KiB, MB, MiB)
Decimal (SI) multiples — kilo = 10³ — versus binary multiples — kibi (Ki) = 2¹⁰ — for bytes and bits, per the NIST/IEC 80000-13 conventions.