💾 Data Storage Converter
Enter an amount in any unit and see it converted into every other unit — decimal (1000-based, what manufacturers print on the box: KB, MB, GB, TB) and binary (1024-based, what your OS actually shows: KiB, MiB, GiB, TiB) side by side.
A "1 TB" hard drive is 1,000,000,000,000 bytes by the manufacturer's decimal definition — but
your OS reports capacity in binary (1024-based) GiB/TiB, often mislabeled "GB"/"TB" in the UI.
1,000,000,000,000 bytes ÷ 1024³ ≈ 931.32 GiB. That "missing" ~7% is not lost storage — it's
two different units both being called "GB". This tool shows both so the gap is never a mystery.
Convert
Decimal (SI) — 1000-based
Used by drive/storage manufacturers, network speeds, and file-size marketing.
Binary (IEC) — 1024-based
What operating systems (Windows, macOS Finder pre-2009, most file managers) actually compute and display.