Arrow left
Back to product guides
Excel Formulas

ISBLANK Function in Excel: Explained

In this article, you will learn how to use the ISBLANK formula in Excel.

What is the ISBLANK formula in Excel?

The ISBLANK function in Excel is used to determine whether a cell is empty or not. It returns TRUE when a cell is empty, and FALSE when a cell is not empty. For example, if cell A2 contains the value "Liveflow", function ISBLANK(A2) will return the answer as ‘FALSE’.

When is the ISBLANK function beneficial in Excel?

The ISBLANK formula in Excel is used in multiple scenarios, please see below for some common uses of the ISBLANK function:

  1. Conditional formatting: You can use the ISBLANK function in combination with conditional formatting to highlight cells that are empty or to apply specific formatting to cells that are not empty.
  2. Data validation: The ISBLANK function can be used in a data validation rule to require that a cell is not empty before the user can enter data in another cell.
  3. Formulas: You can use the ISBLANK function in formulas to perform calculations only if certain cells are not empty. For example, you might use the function in an IF statement to calculate a value only if a certain cell is not empty.
  4. Data analysis: You can utilize the ISBLANK function in conjunction with other functions to analyze data. For example, you might use the function together with the COUNTIF function to count the number of empty cells in a range.

How to use the ISBLANK formula in Excel

  1. Select the cell where you want to display the outcome.
  2. Type the following formula into the cell: =ISBLANK(
  3. Enter the cell reference or value after the open parenthesis and then close the parenthesis.
  4. The cell should now display the ‘TRUE’ or ‘FALSE’ value depending on the input.



See below for how the formula is used:

How to use the ISBLANK function in Excel 

Analyze your live financial data in a snap in Google Sheets

Are you learning this formula to visualize financial data, build a financial model, or conduct financial analysis? In that case, LiveFlow may help you automate manual workflows, update numbers in real-time, and save time. You can access various financial templates on our website, from the simple Income Statement to Multi-Currency Consolidated Financial Statement. Are you interested in this product but are an Excel user? That’s not a problem at all. You can connect Google Sheets to Excel quickly.

To learn more about LiveFlow, book a demo.

Automate any custom financial dashboard in Google Sheets with LiveFlow

You can learn about other Excel and Google Sheets formulas and tips that are not mentioned here on this page: LiveFlow‘s How to Guides

Learn how to do this step-by-step in the video below 👇

Do you need personal help?

Our team of real people are here to help you any time between 9am and 10pm EST.
Check Icon
Email us at:
Check Icon
Call us at +1 (415) 650-1711