Excel SQRT Function

Summary

The Excel SQRT function returns the square root of a positive number. SQRT returns an error if number is negative.

Purpose

Find the positive square root of a number

Return value

Positive square root

Syntax

=SQRT (number)

Arguments

Usage notes

The SQRT function will return a #NUM error when asked to take the square root of a negative number. If you need to get the square root of a negative value (as if the value was positive) you can wrap the number in the ABS function like this:

=SQRT(ABS(A1))

 

Excel SQRT Function

Summary

The Excel SQRT function returns the square root of a positive number. SQRT returns an error if number is negative.

Purpose

Find the positive square root of a number

Return value

Positive square root

Syntax

=SQRT (number)

Arguments

Usage notes

The SQRT function will return a #NUM error when asked to take the square root of a negative number. If you need to get the square root of a negative value (as if the value was positive) you can wrap the number in the ABS function like this:

=SQRT(ABS(A1))