Data Storage Unit Converter
Convert between bytes, KB, MB, GB, TB, and PB, with a toggle for decimal vs binary calculation.
How to use this tool
Type a number into any field — Bytes, KB, MB, GB, TB, or PB — and the rest recalculate immediately based on that value. Use the Decimal (1000-based) toggle to match how storage manufacturers advertise capacity on packaging, or switch to Binary (1024-based) to match how operating systems report free space instead. Switching a fixed byte count between the two toggles shows exactly why a “1 TB” drive shows up as roughly 931 GB once it’s plugged in.
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