Pi Calculator is a free online tool that displays the pi value up to the desired number of digits. CoolGyan’S online pi calculator tool makes the calculation faster, and it displays the pi value in a fraction of seconds.

## How to Use the Pi Calculator?

The procedure to use the Pi calculator is as follows:

**Step 1:** Enter the number of digits in the respective input field

**Step 2:** Now click the button “How many digits please” to get the result

**Step 3:** Finally, the pi value up to the entered number of digits will be displayed in the new window

### What is Meant by Pi?

In mathematics, pi is an irrational number and its value is non-terminating. The value of pi is approximately equal to 3.142. It is denoted by the Greek letter π. It is the most common constant value represented in many mathematical concepts. In general, it is defined as the circumference of any circle, divided by the diameter of the circle. As it is an irrational number, the value of pi cannot be exactly expressed in a simple fraction.