The value of PI is 3.14, and regardless of circle size, this ratio will always equal PI. PI is written as the Greek letter for p or π. How to multiply by PI in Excel?

How to multiply cells and numbers using the PRODUCT formula. You aren't limited to multiplying just two cells — you can multiply up to 255 values at once using the PRODUCT formula.

Multiplying an entire Excel column by the results of a formula can be a little tricky, especially if the formula is complicated or subject to change. ... How to Use PI in Excel.

To multiply certain numbers or cell values in Excel, you’ll need to use the * (asterisk; also called "star") operator. To multiply two numbers in Excel, you can type the formula =number1*number2 in ...