Enter the octal number you want to convert in the below text area. Convert octal to decimal with just one click! If you want to learn more about this tool, check our FAQs.

The octal numeral system is a positional numeral system that consists of 8 different digits: 0, 1, 2, 3, 4, 5, 6, and 7. It is also known as **OCT** or **base-8**. Octal became widely used in computing when some employed 6-bit, 12-bit, 24-bit or 36-bit words. Octal was ideal as an alternative way of representing binary values because their word size is divisible by three.

The decimal numeral system is the most common and widely used numeral system. It is also known as **base-ten**, **base-10**, **decimal number** or just **decimal**. It refers to the notation of a number in decimal system. The digits available in this numeral system are: 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9.

Write or paste your octal number inside the box shown above and click on the **"Convert"** button. The resulting decimal number will be printed in the box below the button you have just clicked. You can copy the number by clicking the **"Copy decimal number"** button.

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Octal to Decimal Converter works in any device that supports any of the browsers mentioned before. It can be a smartphone, desktop computer, notebook, tablet, etc.