Use this free, accurate octal to hexadecimal calculator to convert between Octal (oct) and Hexadecimal (hex). Includes live instant results, complete mathematical formulas, conversion tables, and step-by-step examples.
1 Hexadecimal
1 oct is equal to 1 hex.
1 (Octal) = 1 (Hexadecimal)
numbers Converters
To convert from Octal to Hexadecimal, multiply the value in Octal by 1 (or use the formula: hex = oct × 1).
Take your initial measurement in Octal (oct). For instance, let's convert 1 oct.
Multiply by the standard conversion factor (1).
The final converted measurement equals 1 Hexadecimal (hex).
Compare standard reference values and common conversion benchmarks.
| Octal (oct) | Hexadecimal (hex) | Action |
|---|---|---|
| 1 oct | 1 hex | |
| 2 oct | 2 hex | |
| 3 oct | 3 hex | |
| 5 oct | 5 hex | |
| 10 oct | 8 hex | |
| 15 oct | 13 hex | |
| 20 oct | 16 hex | |
| 25 oct | 21 hex | |
| 50 oct | 40 hex | |
| 75 oct | 61 hex | |
| 100 oct | 64 hex | |
| 250 oct | 168 hex | |
| 500 oct | 320 hex | |
| 1000 oct | 512 hex |
Official standards, measurement systems, and real-world everyday applications.
Octal is the base-8 numeral system using digits 0 through 7.
Common Practical Uses
Hexadecimal is the base-16 numeral system using digits 0–9 and letters A–F.
Common Practical Uses
Calculate from Hexadecimal (hex) back to Octal (oct).
Frequently used unit conversions in this category:
Explore other measurement and calculation tools:
There are 1 hexadecimal in 1 octal. Exactly 1 oct is equal to 1 hex.
The conversion formula is: Hexadecimal = 1 (Octal) = 1 (Hexadecimal). Applying this to 1 oct gives: 1 × 1 = 1 hex.
To convert in reverse from hexadecimal to octal, multiply by the inverse factor: 1 hex = 1 oct. Alternatively, divide your Hexadecimal amount by 1.
Because Octal and Hexadecimal have nearly a 1:1 ratio, the values are approximately identical for everyday estimates.
Octal (oct) belongs to the Base-8 system, commonly used in Unix file permissions (chmod), Legacy computing, Compact binary groupings. In comparison, Hexadecimal (hex) is part of the Base-16 system, frequently applied in Color codes (HTML/CSS), Memory addresses, Byte representation.
Key milestones include: 1 oct = 1 hex, 5 oct = 5 hex, 10 oct = 10 hex, 50 oct = 50 hex, and 100 oct = 100 hex.