Skip to content
ZeroServer.tools

Octal to Binary Converter

Convert octal (base 8) numbers to binary (base 2).

Binary

Octal to binary, explained

Each octal digit maps to exactly three binary bits, so converting is a direct lookup — 7 111, 1 001. Enable padding to keep each digit's full three bits, or leave it off for the shortest representation. Everything is computed locally in your browser.

Related Converters tools