Enter a binary number to convert it to octal instantly. Handy for Class 11–12 computer science — see the side-by-side reference table below, or open the full converter for all four bases at once.
base 2 → base 8 · Open the full converter →
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A number written in binary (base 2) is rewritten in octal (base 8). For example, 101010 in binary equals 52 in octal. The full converter at /tools/ shows binary, octal, decimal and hexadecimal together.
| Binary | Octal |
|---|---|
| 10 | 2 |
| 1000 | 10 |
| 10000 | 20 |
| 1000000 | 100 |
| 1100100 | 144 |
| 11111111 | 377 |
| 1000000000 | 1000 |
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