Binary to Octal Converter
Instantly convert binary to octal with live bidirectional calculation, mathematical formula breakdown, and quick-reference snippet charts.
How to Convert Binary to Octal
Mathematical formulation and step-by-step conversion steps.
Convert Base 2 to Base 8.
To convert 10 binary into octal:
Quick-Reference Conversion Table
Calculated values for common binary to octal comparisons.
Binary to Octal (bin (Base 2) → oct (Base 8))
| Binary (bin (Base 2)) | Octal (oct (Base 8)) |
|---|---|
| 0 bin (Base 2) | 0 oct (Base 8) |
| 1 bin (Base 2) | 1 oct (Base 8) |
| 10 bin (Base 2) | 2 oct (Base 8) |
| 100 bin (Base 2) | 4 oct (Base 8) |
| 1000 bin (Base 2) | 10 oct (Base 8) |
| 1010 bin (Base 2) | 12 oct (Base 8) |
| 1111 bin (Base 2) | 17 oct (Base 8) |
| 10000 bin (Base 2) | 20 oct (Base 8) |
| 100000 bin (Base 2) | 40 oct (Base 8) |
| 11111111 bin (Base 2) | 377 oct (Base 8) |
Octal to Binary (oct (Base 8) → bin (Base 2))
| Octal (oct (Base 8)) | Binary (bin (Base 2)) |
|---|---|
| 0 oct (Base 8) | 0 bin (Base 2) |
| 1 oct (Base 8) | 1 bin (Base 2) |
| 2 oct (Base 8) | 10 bin (Base 2) |
| 4 oct (Base 8) | 100 bin (Base 2) |
| 8 oct (Base 8) | bin (Base 2) |
| 10 oct (Base 8) | 1000 bin (Base 2) |
| 15 oct (Base 8) | 1101 bin (Base 2) |
| 16 oct (Base 8) | 1110 bin (Base 2) |
| 32 oct (Base 8) | 11010 bin (Base 2) |
| 255 oct (Base 8) | 10101101 bin (Base 2) |
Related Digital & Computing Conversions
Explore other units frequently converted alongside binary.
Binary to Octal FAQ
Common answers and formulas for converting binary to octal.
How many octal are in 1 binary?
1 binary (bin (Base 2)) is equal to 1 octal (oct (Base 8)).
What is the conversion formula for bin (Base 2) to oct (Base 8)?
The formula is: oct (Base 8) = Base8(bin (Base 2)). Convert Base 2 to Base 8.
How do I convert 10 binary to octal?
To convert 10 binary to octal, apply the conversion formula: 10 bin (Base 2) = 2 oct (Base 8).
Can I reverse this calculation to convert octal to binary?
Yes, use the quick-swap button (⇄) on the converter above or visit the reverse Octal to Binary converter.