Free Tool
Octal to Hexadecimal Calculator
Instantly convert between octal (base 8) and hexadecimal (base 16) with a detailed step-by-step breakdown.
Step-by-Step Breakdown
Step 1: Octal to Binary
Step 2: Binary to Hexadecimal
How to use this tool
This calculator instantly converts numbers between octal (base-8) and hexadecimal (base-16) numeral systems.
- Octal digits: 0, 1, 2, 3, 4, 5, 6, 7 (the digits 8 and 9 are invalid in octal)
- Hexadecimal digits: 0-9 and A-F (case-insensitive)
Click the swap button to reverse the conversion direction. The tool also provides a step-by-step breakdown showing how the conversion works by using binary as a bridge.