PI Function in Excel

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In this blog post we will learn to about PI function in excel.

PI function will return value of Pi which is mathematical constant which has value of 3.14.
The PI function in excel return the value of Pi accurate to 15 digits.

Importance of PI Function?

Pi can be used to solve many mathematical problems. So if you are thinking to solve some mathematical problems for example to “calculate area of circle” or to “calculate the circumference of circle” (these are just few examples) then you can use the PI function effectively.

Where to find PI function on Excel Screen:

PI function can be found under “Math & Trig” function category under “Formulas” tab and under “Function Library” group as shown in below image:


Once we click on “Math & Trig” function category, we can see list of various Math & Trig functions available in excel. PI function is highlighted in blue in below image.



Once we click on PI option as highlighted above, we will get the function argument dialog box as shown in below image.



Syntax of PI Function:

The Syntax of PI function is as below:

=PI()


Arguments of PI Function:

PI function does not take any argument.




Example of PI Function:

Let’s take an example to calculate circumference of circle. In mathematics formula to calculate circumference of circle is 2Ï€r, where r is radius of circle and Ï€ is a constant. We will now calculate the circumference of circle in excel with the help of PI function.

For this, we have prepared raw data in which we have entered radius of circles in centimeters in column A. In column B, we will calculate the circumference of a circle with the help of radius mentioned in column A and PI function available in excel.



Now, in column B enter the formula as shown in below image.


Now hit enter button on keyboard which will provide us final output which will be circumference of a circle with radius mentioned in column A.


To calculate the circumference of circle in remaining cells, we have to just copy the formula from cell B2 and paste it in the remaining cells. The output will be as per below screenshot.


In this way, we can use PI function in excel.
Microsoft Certified Excel Expert, Enthusiastic to teach excel tricks and basic excel concepts which will help to save time and efforts in our daily office work.

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