Data Unit Converter

Convert between data storage units. Supports both binary (1024-based) and decimal (1000-based) units.

Base system
Max precision

Binary vs Decimal

Binary (1024-based): Used by operating systems and programming. 1 KiB = 1024 bytes.

Decimal (1000-based): Used by storage manufacturers. 1 KB = 1000 bytes. This is why a "500 GB" hard drive shows as ~465 GiB in your OS.