Hexadecimal to Octal Converter
Enter a hexadecimal number to convert it to octal. The tool converts through binary internally for accuracy — useful for number base exercises.
Hexadecimal to Octal
Base 16 → Base 8
0x
0o
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How to Use the Hex to Octal Converter
1
Enter a hexadecimal number.
2
Click Convert.
3
View the octal equivalent.
Frequently Asked Questions
How does hex-to-octal conversion work?
Convert hex to binary first (4 bits per digit), then group binary bits into 3s to get octal digits.
Is there a direct hex-to-octal method?
Going through binary is the most reliable approach. Direct conversion tables exist but are harder to memorize.
When is hex-to-octal needed?
Rarely in practice, but common in computer science courses and number system exercises.