Octal → Binary
Enter Octal number (0–7 only)
Octal to Binary Converter Tool Easily convert octal numbers to binary with our online tool. Just enter your octal number, and get the binary equivalent instantly! What is Octal? The octal number system (base 8) uses digits 0 to 7. Each position represents a power of 8. Octal is often used in computing as a compact form of binary numbers. Example: Octal number: 7 Binary equivalent: 111 What is Binary? The binary number system (base 2) uses only 0 and 1. Each position represents a power of 2. Computers use binary numbers for all operations. Example: Octal number: 17 Step 1: Convert each octal digit to 3-bit binary → 1 → 001, 7 → 111 Step 2: Combine → 001111 Binary equivalent: 001111 How to Use This Tool Enter your octal number in the input box. Click Convert. See the binary equivalent instantly. Benefits of Using Our Octal to Binary Converter Fast and accurate results Simple and easy-to-use interface Works on desktop, tablet, and mobile Free and accessible online Example Conversions Octal Binary 1 001 7 111 10 001000 17 001111 345 011100101 Why Convert Octal to Binary? Octal numbers are a compact way to represent binary numbers, especially in computing and electronics. This tool makes conversion simple and error-free. Try It Now Enter your octal number above and get your binary equivalent instantly!