Excel SQRT Function

The ‘SQRT’ function in Excel will return the square root of a given input number.  The square root of a given number is the number which when multiplied by itself returns the given number.  For instance, 3 squared (i.e. 3*3) is 9, and thus the square root of 9 is 3.

For example:

  • The square root of 16 is 4 (4*4=16)
  • The square root of 25 is 5 (5*5=16)

The formula can also handle figures where the square root is not a whole number.  For example, the square root of 26 is 5.10 (to 2 decimal places).

Syntax

=SQRT(number)

Arguments

Number – input number which you want to get the square root of

Function category

Maths and trigonometry

Returns

The SQRT function will return a number, representing the square root of a given input number.

Download Excel File

 Example of SQRT formula

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