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Byte / Data Unit Converter

Convert between bits, bytes, KB, MB, GB, TB, and PB in both binary (IEC) and decimal (SI) standards.

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About This Tool

The Byte / Data Unit Converter supports all common data size units from bits to petabytes. Enter any value in any unit and instantly see the equivalent in all other units. Toggle between binary (IEC) mode — where 1 KiB = 1024 bytes — and decimal (SI) mode — where 1 KB = 1000 bytes — to match your context. Covers bits (b), bytes (B), kilobytes (KB/KiB), megabytes (MB/MiB), gigabytes (GB/GiB), terabytes (TB/TiB), and petabytes (PB/PiB). Results are shown in full precision and rounded values for quick reading. Useful for developers, system administrators, and anyone working with file sizes, bandwidth calculations, storage capacity, or memory specifications. Runs entirely in the browser.