Octal Calculator is a free online tool that displays the addition, subtraction, multiplication and division of octal numbers. CoolGyan’S online octal calculator tool makes the calculation faster and it displays the result in a fraction of seconds.

## How to Use the Octal Calculator?

The procedure to use the octal calculator is as follows:

**Step 1:** Enter two octal numbers in the input field

**Step 2:** Now click the button “Calculate” to get the result

**Step 3:** Finally, the addition, subtraction, multiplication and division of octal numbers will be displayed in the output field

### What is Meant by Octal Number System?

In Mathematics, there are different number systems, such as binary, octal, decimal, and hexadecimal number systems. The binary system is called the base 2 number system, the octal system stands for base 8 number system, the decimal system stands for the base 10 number system, and the hexadecimal system stands for base 16 number system. The octal number system uses the numbers from 0-7. To represent the number after 7, the values can be represented using the binary form.