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Octal to Binary Converter
Convert octal (base-8) numbers to binary (base-2) representation instantly.
About Octal to Binary Converter
The Octal to Binary Converter transforms octal (base-8) numbers into binary (base-2) representation. Since each octal digit maps to exactly 3 binary bits, this conversion is straightforward.
For example, octal 7 = 111, octal 3 = 011, so octal 37 = 011111 in binary.
Input
Binary Result
Binary result will appear here
How to Use
1
Enter Octal
Type octal numbers (digits 0-7) separated by spaces or commas.
2
Convert
Click "Convert to Binary" to see the result.
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Frequently Asked Questions
How does octal to binary work?
Convert each octal digit to its 3-bit binary equivalent: 0=000, 1=001, 2=010, 3=011, 4=100, 5=101, 6=110, 7=111. Example: 377 = 011 111 111.
What is 755 octal in binary?
755 octal = 111 101 101 in binary = 111101101.
Is this free?
Yes, 100% free and runs locally in your browser.