Calculatorism

Octal Calculator

Perform arithmetic on octal (base 8) numbers.

Input Data

Mode
Input

Results

Octal result.
15
Explanatory note about the result.
0o17 = 15（十進位）。

At a glance:Operates directly in base 8. Complements octal-converter and base-converter.

Formula

result in base 8.

How to Use

  1. Pick a mode and enter octal values.
  2. The tool returns the octal result.

Case Studies

7 + 1 (octal)

10₈.

FAQ

Octal carries?

Digits 0–7; carry at 8.

Related Tools

References

Content review: Calculatorism Science Team. Results are for reference only; please refer to the relevant authorities for the official figures.

Found a problem with the results?

If this calculator's result is wrong, or you have any question about the calculation logic, please let us know. You are viewing:Octal Calculator（/math/octal）。