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Octal System (Base 8)

Tool to convert to octal base (base 8) or from octal base. Numbers written in octal use numbers from 0 to 7.

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Octal System (Base 8) -

Tag(s) : Mathematics, Arithmetics

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# Octal System (Base 8)

## Base N to Octal Converter

Tool to convert to octal base (base 8) or from octal base. Numbers written in octal use numbers from 0 to 7.

### How to write a number in base 8?

For complete explanations on how to convert from N1 to N2, see the base-N conversion tool.

Example: 123 in base 10 is written 173 in base 8

### How to convert an octal number?

For complete explanations on how to convert from N1 to N2, see the base-N conversion tool.

Example: 123 in base 8 is written 83 in base 10

### How to recognize octal numbers?

The octal numbers can not have a digit 8 or 9.

In computing, it is usual to display an initial zero in front of the numbers to indicate that they are octal numbers. 12 in base 8 sometimes writes 012 to indicate that it is an octal number.