About Hexadecimal to Octal conversion
Hexadecimal and octal do not share a one-digit correspondence, but both connect exactly to binary. Binary is therefore the clearest bridge between the two systems.
How to convert Hexadecimal to Octal
Enter a valid hexadecimal number in the calculator above for an instant result. To understand the calculation by hand, follow these steps:
- Expand every hexadecimal digit into four binary bits.
- Group the bits in threes from the right, padding on the left if needed.
- Convert each three-bit group to an octal digit.
Hexadecimal to Octal conversion example
Example: 7C₁₆ → 174₈. 7C is 0111 1100 in binary. Regroup it as 001 111 100 to get 1, 7, 4.
Use the calculator to verify the example, then try a value of your own. It accepts upper- and lowercase letters for hexadecimal input.