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# How to convert octal to hexadecimal

The octal number system is a base-8 number system. This means that it uses a total of 8 symbols, $0, 1, 2, 3, 4, 5, 6, 7$, to represent values. When the subscript $8$ is appended to the end of a number, it is used to identify a number expressed in octal.

The hexadecimal number system, on the other hand, is a base-16 number system. This means that it has a total of 16 symbols: $0, 1, 2, 3, 4, 5, 6, 7, 8, 9, A, B, C, D, E, F$. When the subscript $16$ is appended to the end of a number, it is used to identify a number expressed in hexadecimal.

In this article, we will first convert an octal number to a binary number, then we will convert it to a ​hexadecimal.

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octal
conversion