Hexadecimal to Octal Converter
Convert Hexadecimal (Base 16) to Octal (Base 8) instantly. Enter any Hexadecimal value to get the Octal equivalent.
Hexadecimal to Octal
6 units
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Common Numbers Conversions
Hexadecimal to Octal Conversion Table
| Hexadecimal (Base 16) | Octal (Base 8) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | 2 |
| 3 | 3 |
| 4 | 4 |
| 5 | 5 |
| 8 | 10 |
| A | 12 |
| F | 17 |
| 10 | 20 |
| 20 | 40 |
| 40 | 100 |
| 64 | 144 |
| 80 | 200 |
| FF | 377 |
| 200 | 1000 |
| 3E8 | 1750 |
| 400 | 2000 |
| FFF | 7777 |
| FFFF | 177777 |
How to Convert Hexadecimal to Octal
To convert from Hexadecimal (base 16) to Octal (base 8), express the integer value using the digits available in the target base. For example, decimal 255 is FF in Hexadecimal and 377 in Octal.
Use the converter above — type any Hexadecimal value to instantly see its Octal equivalent. Convert Octal → Hexadecimal instead →
Frequently Asked Questions
Q
How do I convert Hexadecimal to Octal?
Interpret the Hexadecimal (base 16) number as an integer, then express it in base 8. For example, the Hexadecimal value FF equals 255 in decimal, which is 377 in Octal.
Q
What is 255 in Octal?
255 in decimal = 377 in Octal.
About These Units
Hexadecimal
Base 16
A positional numeral system with base 16. Uses 16 distinct digits (0–9 + A–F).
Octal
Base 8
A positional numeral system with base 8. Uses 8 distinct digits (0–7).