Octal is base-8; digits 0–7. Each octal digit represents three binary bits.

What binary input is valid?

Only 0 and 1. Groups of three bits (from right) map to one octal digit.

Yes. Conversion runs in your browser with no signup or server.

Online Binary to Octal Converter

Convert binary numbers to octal in your browser. Enter binary digits (0 and 1), get octal result—free and client-side.

Binary

Result (Octal)

What is octal?: Octal is base-8; digits 0–7. Each octal digit represents three binary bits.
What binary input is valid?: Only 0 and 1. Groups of three bits (from right) map to one octal digit.
Is this tool free?: Yes. Conversion runs in your browser with no signup or server.

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