How to use ISFORMULA Function in Excel

how to use excel isformula function

Quick Intro

Use Excel ISFORMULA Function to test if a cell contains a formula & return TRUE else it will return FALSE. In simple words, you can check if a cell has a formula or not.



  • reference A cell reference which you want to evaluate.

More Information on Excel ISFORMULA Function

  • If cell reference is not a valid reference it will return #VALUE!.
  • You can also use the shortcut key Control + ~ to display all the formula in a worksheet.


Here I have used different arguments in this function.

Examples For Excel ISFORMULA Function

  1. A simple addition calculation & function has return TRUE.
  2. A volatile function & again function has return TRUE.
  3. One thing you have to note that ISFORMULA is concerned with the formula in a cell not with the result of a formula. It will return TRUE even if the result of the formula is empty or an error.
  4. If there is any value other than formula in a cell it will return FALSE.

Sample File

download sample file to learn more about this tips

What’s Next?

To learn more about Excel ISFORMULA Function you can check Microsoft’s Help Section. And, if you have a unique idea to use it, I would love to hear from you.

There is also you have ISLOGICAL function which is highly useful. Apart from this, I have a list of excel functions and some real life formulas examples.