Binary Converter

Convert binary code to hex, octal, and decimal simultaneously.

Hex Result:
Octal Result:
Decimal Result:

How Binary to Octal Conversion Works

Octal is base-8, and each octal digit represents exactly three binary digits. Group the binary number into 3-bit chunks from the right, then replace each chunk: 000=0, 101=5, 110=6, 111=7. So binary 110101 becomes octal 65. The converter applies this rule instantly for any length of binary input.

Why Octal Still Matters

The most common place you meet octal today is Linux file permissions: commands like chmod 755 use octal digits to describe read, write, and execute rights. Students also learn octal as part of number-system fundamentals in computer science courses, and this converter makes checking homework fast and error-free.

More converters: Binary to Hex · Text to Binary · Decimal to Binary