Skip to main content

Excel SQRT Function

The SQRT function returns the square root of a number that is not negative.

sqrt function 1




  • number (required): The number to return the square root for.

Return Value

The SQRT function returns a non-negative number.

Function Notes

  • SQRT will return the #NUM! error if number is negative. To avoid the #NUM!, you can take the advantage of the ABS function to get the absolute value of numbers like this: =SQRT(ABS(number)).
  • SQRT will return the #VALUE! error if number is not numeric.


Supposing you have a table with numbers as shown below, to get the square root of the first number, please copy or enter the formula below in cell C4, and press Enter to get the result:


√ Note: In the formula above, we used the actual values. However, in the case that you want to get the square roots of all numbers in the table as shown below, cell references are better choices than the actual values. Since you can just drag the fill handle down to apply the formula to the below cells after entering the formula with cell references in the top cell. The formula with a cell reference is as followed:


sqrt function 2

Related functions

Excel POWER Function

The POWER function returns the result of a number raised to a given power.

Excel SUMSQ Function

The SUMSQ function returns the sum of squares of supplied values.

The Best Office Productivity Tools

Office Tab - Enable Tabbed Reading and Editing in Microsoft Office (include Excel)

  • One second to switch between dozens of open documents!
  • Reduce hundreds of mouse clicks for you every day, say goodbye to mouse hand.
  • Increases your productivity by 50% when viewing and editing multiple documents.
  • Brings Efficient Tabs to Office (include Excel), Just Like Chrome, Edge and Firefox.
Comments (0)
No ratings yet. Be the first to rate!
There are no comments posted here yet
Please leave your comments in English
Posting as Guest
Rate this post:
0   Characters
Suggested Locations