Binary to Octal Converter

This free online binary to octal converter instantly translates any binary (base-2) number into its octal (base-8) equivalent. Enter a binary value below to see the converted result right away.


How to Use the Binary to Octal Converter

  1. Type a binary number (only digits 0 and 1) into the "Binary Number" field.
  2. Click "Convert" to see the equivalent octal value.
  3. If you enter an invalid character, correct the input and convert again.

Frequently Asked Questions

The tool parses your binary input as a base-2 number, then formats that value in base-8, using only the digits 0-7.

Binary 101010 equals decimal 42, which is 52 in octal. Try it yourself by entering 101010 above.

Only the digits 0 and 1 are allowed in the binary input. Any other character, including spaces or letters, is treated as invalid.

Yes, it's completely free, works instantly in your browser, and requires no sign-up.
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