Octal to Binary Converter
Instantly convert octal to binary with live bidirectional calculation, mathematical formula breakdown, and quick-reference snippet charts.
How to Convert Octal to Binary
Mathematical formulation and step-by-step conversion steps.
Convert Base 8 to Base 2.
To convert 10 octal into binary:
Quick-Reference Conversion Table
Calculated values for common octal to binary comparisons.
Octal to Binary (oct (Base 8) → bin (Base 2))
| Octal (oct (Base 8)) | Binary (bin (Base 2)) |
|---|---|
| 1 oct (Base 8) | 1 bin (Base 2) |
| 2 oct (Base 8) | 10 bin (Base 2) |
| 5 oct (Base 8) | 101 bin (Base 2) |
| 10 oct (Base 8) | 1000 bin (Base 2) |
| 20 oct (Base 8) | 10000 bin (Base 2) |
| 50 oct (Base 8) | 101000 bin (Base 2) |
| 100 oct (Base 8) | 1000000 bin (Base 2) |
| 250 oct (Base 8) | 10101000 bin (Base 2) |
| 500 oct (Base 8) | 101000000 bin (Base 2) |
| 1000 oct (Base 8) | 1000000000 bin (Base 2) |
Binary to Octal (bin (Base 2) → oct (Base 8))
| Binary (bin (Base 2)) | Octal (oct (Base 8)) |
|---|---|
| 1 bin (Base 2) | 1 oct (Base 8) |
| 2 bin (Base 2) | oct (Base 8) |
| 5 bin (Base 2) | oct (Base 8) |
| 10 bin (Base 2) | 2 oct (Base 8) |
| 20 bin (Base 2) | oct (Base 8) |
| 50 bin (Base 2) | oct (Base 8) |
| 100 bin (Base 2) | 4 oct (Base 8) |
| 250 bin (Base 2) | oct (Base 8) |
| 500 bin (Base 2) | oct (Base 8) |
| 1000 bin (Base 2) | 10 oct (Base 8) |
Related Digital & Computing Conversions
Explore other units frequently converted alongside octal.
Octal to Binary FAQ
Common answers and formulas for converting octal to binary.
How many binary are in 1 octal?
1 octal (oct (Base 8)) is equal to 1 binary (bin (Base 2)).
What is the conversion formula for oct (Base 8) to bin (Base 2)?
The formula is: bin (Base 2) = Base2(oct (Base 8)). Convert Base 8 to Base 2.
How do I convert 10 octal to binary?
To convert 10 octal to binary, apply the conversion formula: 10 oct (Base 8) = 1000 bin (Base 2).
Can I reverse this calculation to convert binary to octal?
Yes, use the quick-swap button (⇄) on the converter above or visit the reverse Binary to Octal converter.