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