On this page is an *octal to binary number converter*, which will convert between a number you provide in octal and the corresponding binary number (base 8 to base 2 conversion).

## Octal to Binary Converter

**Table of Contents**show ▼

## Using the Octal to Binary Converter

To use the octal to binary conversion tool, enter the octal number you'd like to convert in the **Input** box. (Don't touch the Input type)

Next, hit the **Convert Between Bases** button and we'll do the math to convert your octal input to a binary number.

### Try Our Other Number Base Converters

Here are all of our other number base converters:

#### Binary Converters

#### Octal Converters

#### Hex Converters

#### Decimal Converters

See all our calculators and tools.