An **octal number** is based on a system of 8 and is used in programming languages, among other things. The **octal system** has eight different digits to represent a number: 0, 1, 2, 3, 4, 5, 6 and 7.

## Calculator

calculate

All information is without guarantee

**Use calculator:**

- Select what you want to convert.
- Enter the octal number or the decimal numbers that you want to convert.
- Click on

## Table

Decimal | Octal system |
---|---|

0 | 0 |

1 | 1 |

2 | 2 |

3 | 3 |

4 | 4 |

5 | 5 |

6 | 6 |

7 | 7 |

8 | 10 |

9 | 11 |

10 | 12 |

11 | 13 |

12 | 14 |

13 | 15 |

14 | 16 |

15 | 17 |

16 | 20 |

17 | 21 |

18 | 22 |

19 | 23 |

20 | 24 |

21 | 25 |

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Author: Daniel Herndler

On this website, calculations, formulas and sample calculations with simple explanations are provided online free of charge by the author.