Number base converter
Binary to Octal Converter
Convert binary numbers to octal for programming, computer science, and digital logic.
Base converter
Binary to Octal
Convert whole numbers between decimal, binary, hexadecimal, and octal.
Binary input can use only 0 and 1.
Result
12
Binary (base 2) to Octal (base 8)
How Binary to Octal Conversion Works
Binary uses base 2, while Octal uses base 8. The converter first reads the input value in base 2, then writes the same whole number in base 8.
This tool supports whole numbers within JavaScript's safe integer range. Binary output is grouped in blocks of four digits so long results are easier to read.
Example Conversions
| Binary | Octal |
|---|---|
| 1010 | 12 |
| 1111 | 17 |
| 1010 1101 | 255 |
| 10000000 | 200 |
FAQ
What does Binary to Octal Converter do?
It converts a whole number written in Binary (base 2) into Octal (base 8).
Is Binary to Octal conversion exact?
Yes. Number base conversion rewrites the same whole number in another base, so the value itself does not change.
Can I use spaces in binary or hex input?
Yes. Spaces are ignored, so grouped binary like 1010 1101 is accepted.
Is this converter private?
Yes. The conversion runs locally in your browser and does not need a database or paid API.