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 two numbers in Excel, you can type the formula =number1*number2 in a cell and hit Enter. Alternatively, you can multiply the contents of two cells A1 and B1 with the formula =A1*B1.