Data Storage Converter
Convert between data storage units: bits, bytes, kilobytes, megabytes, gigabytes, terabytes and more. Switch between SI decimal and binary prefix systems.
About Data Storage Converter
Convert between data storage units in both SI decimal (KB, MB, GB — base 1000) and binary (KiB, MiB, GiB — base 1024) systems. All calculations happen in your browser with zero data sent to any server.
SI & Binary Modes
Toggle between decimal (KB, MB, GB — 1000-based) and binary (KiB, MiB, GiB — 1024-based) prefix systems. Covers both standards used by drive manufacturers and operating systems.
7 Units Each Mode
Bits, bytes, KB/KiB, MB/MiB, GB/GiB, TB/TiB, PB/PiB. Comprehensive range from the smallest bit to petabyte scale.
Real-Time Conversion
See results update instantly as you type or change units. No buttons to press, no page reloads needed.
Browser-Only
Pure JavaScript calculations. Your data never leaves your device. Works offline after the initial page load.
How It Works
- Choose your system — Click "SI (1000)" for decimal prefixes used by hard drive manufacturers, or "Binary (1024)" for the binary prefixes used by operating systems.
- Enter the value — Type the number you want to convert.
- Select units — Pick the unit to convert from and the unit to convert to. All values are converted through bytes as the intermediate base unit.