Binary to Octal Converter

Binary to Octal

Convert binary (base 2) numbers to octal (base 8) in your browser. Prefixes like 0b are accepted on input. Need the opposite direction? Convert Octal to Binary.

Related base conversions

• Octal to Binary(8 → 2)
• Binary to Decimal(2 → 10)
• Binary to Hex(2 → 16)
• Octal to Decimal(8 → 10)
• Octal to Hex(8 → 16)
• Decimal to Binary(10 → 2)
• Decimal to Octal(10 → 8)
• Hex to Binary(16 → 2)

Frequently asked questions

How do I convert binary to octal?

Enter a binary value above. The octal result is highlighted, and you can copy the raw or prefixed form.

Does this support large integers?

Yes — conversions use BigInt so values are not limited to 32-bit or 64-bit ranges.

Can I convert other bases too?

Switch the input base, click a different result to set the target, or open the main number base converter.