Binary to Octal Converter
Enter a binary number to convert it to octal. Groups of 3 binary digits map to one octal digit, making this a straightforward conversion.
Binary to Octal
Base 2 → Base 8
0b
0o
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How to Use the Binary to Octal Converter
1
Enter a binary number.
2
Click Convert.
3
View the octal equivalent.
Frequently Asked Questions
How does binary-to-octal conversion work?
Group binary digits into sets of 3 from right to left, then convert each group: 111 = 7, 101 = 5.
Why group by 3 bits?
Because 2³ = 8, each group of 3 binary digits represents exactly one octal digit.
When would I need this conversion?
Working with Unix file permissions, legacy systems, or educational exercises on number bases.