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Data Size Converter

Convert between bits and bytes across SI (KB, MB, GB) and IEC (KiB, MiB, GiB) units. Adjust precision, swap instantly, and export full tables.

20 Units Bit ↔ Byte CSV & Copy

Convert a Size

Value

From unit

To unit

Awaiting input. Supports bits/bytes and decimal/binary conversions.

Decimal precision

Auto-update as you type Show conversion formula Show all related units

Enter a data size to convert

Formula details will appear here when available.

Unit	Symbol	System	Converted value
Full equivalence table appears here after conversion.

Input –

Output –

Base (bytes) –

Base (bits) –

Awaiting input.

Switch between decimal (KB, MB) and binary (KiB, MiB) unit systems to match storage vendor claims versus operating system reporting.
Use the swap control to compare network transfer sizes (bits) to stored sizes (bytes).
Export the reference table as CSV when planning storage tiers or S3 lifecycle policies.
Increase precision for comparisons involving petabytes or beyond.