Binary to Octal and Octal to Binary Made Simple

Octal to Binary Converter

This tool converts binary to octal and octal to binary. It shows each step as plain text. You can copy the result with one click. It runs fast in your browser and starts right away.

Get Started in a Flash

Type a value and choose the action. The tool checks the digits and explains the steps. It groups binary bits in threes to build octal. It adds zeros at the start when a group needs it. For octal input it maps each digit to three bits. It trims extra zeros at the start of the final binary string. If input breaks the rules the tool shows a clear message. Press Enter in a field to run the conversion. Use Clear to reset.

Inputs

What the output shows

How to Use the Tool

Binary to Octal

  1. Click in Enter Binary Number.
  2. Type digits 0 and 1 only.
  3. Click Convert to Octal or press Enter.
  4. Review the groups and the octal result.
  5. Click Copy to copy the octal value.
  6. Click Clear to reset the field and result.

Octal to Binary

  1. Click in Enter Octal Number.
  2. Type digits from 0 to 7 only.
  3. Click Convert to Binary or press Enter.
  4. Review each three bit group and the combined string.
  5. Click Copy to copy the binary value.
  6. Click Clear to reset the field and result.

Why Choose This Binary to Octal Converter?

The tool teaches while it converts. It shows each step for clear learning. It also works the other way for octal to binary. Copy buttons save time during study or work. Enter keys speed up busy hands.

Limitations and notes

Examples

Common use cases