How to find the square root of a number in Excel? To find the square root of a number in Excel, you need to use this formula: =SQRT(<cell coordinates of first cell>).

Here are 3 easy ways to calculate the square root of a number in Microsoft Excel - using SQRT function, POWER function and Exponential formula.

Scientific and mathematical formulas frequently use exponents and square roots, and you can create a function to compute the square, cube, or square root of a value by using the formula creator.