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Octal to Binary Converter

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Binary to octal

How to convert Octal to Binary

Convert each octal digit to a 3-bit binary group.

Each octal digit → 3 binary bits

Replace each octal digit with its 3-bit binary equivalent:

1₈ = 001₂, 7₈ = 111₂, so 17₈ = 001111₂ = 1111₂

Example

Convert 17₈ to binary:

1₈=001, 7₈=111 → 001111₂

Octal to Binary Converter table

Octal ()Binary ()
00
11
210
311
4100
5101
6110
7111
101000
111001
121010
131011
141100
151101
161110
171111
2010000
40100000
1001000000
20010000000
37711111111


See also