Hexadecimal to Octal Converter
Free online hexadecimal to octal converter with steps — instant, accurate hexadecimal to octal conversion in your browser.
Supports arbitrarily large non-negative integers (BigInt under the hood).
About hexadecimal to octal conversion
Number bases are just different ways of writing the same value: binary (base 2) uses digits 0–1, octal (base 8) uses 0–7, decimal (base 10) uses 0–9 and hexadecimal (base 16) uses 0–9 plus A–F. This converter parses your input as an arbitrary-precision integer and re-renders it in the target base — instantly and privately, in your browser.
Quick reference
1010in binary =12in octal =10in decimal =Ain hexadecimal- Hexadecimal digits:
A=10, B=11, C=12, D=13, E=14, F=15 - Each octal digit maps to exactly 3 binary digits; each hex digit maps to exactly 4
Frequently asked questions
How do I convert hexadecimal to octal manually?
Convert via binary: expand the hexadecimal digits to bits, then regroup the bits for octal. Or just type the number above — the tool does it instantly.
What is hexadecimal 1F4 in octal?
1F4 in hexadecimal equals 764 in octal.
Is this converter free and private?
Yes — free, no sign-up, and the conversion runs locally in your browser using arbitrary-precision integers. Nothing is uploaded.