Octal to Decimal Converter

Enter a octal number

Decimal number (Base 10) :


Hexadecimal number (Base 16) :

Octal To Decimal Conversion

An octal number system is a base 8 number system. It means that an octal number can be formed by using any of the 0-7 digits (8 base elements). On the other hand, the decimal number system has base 10. It means that a decimal number can be formed by using any of the 0-9 digits (10 base elements).

To convert an octal number into decimal number you need to multiply each digit of octal by powers of 8 starting from 0 and sum it up finally.

The diagram below explains octal to decimal conversion process :



So 67 in octal is equivalent to 55 in decimal number system.

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