How to Not Calculate (Ignore Formula) If Cell Is Blank in Excel: Guide

If you’ve ever worked with Excel, you know how frustrating it can be when your formulas go haywire because some cells are blank. Luckily, there’s an easy way to tell Excel to ignore those empty cells. This quick guide will show you how to ensure your calculations run smoothly by bypassing any blanks.

How to Ignore Formula if Cell is Blank in Excel

This step-by-step tutorial will guide you on how to adjust your formulas in Excel so they ignore blank cells. You’ll learn how to use functions like IF and ISBLANK to make your spreadsheets more efficient.

Step 1: Open Your Excel Spreadsheet

First things first, open your Excel file that contains the data.

Make sure you locate the spreadsheet with the data and formulas that you need to adjust. This is where you’ll be making your changes.

Step 2: Select the Cell with the Formula

Next, click on the cell that contains the formula you want to modify.

This step is crucial because you need to know exactly where you’re making changes to avoid any confusion or errors later on.

Step 3: Edit the Formula

Modify the formula to include an IF and ISBLANK function.

For example, if your original formula is =A1+B1, you can change it to =IF(ISBLANK(A1),"",A1+B1).

Step 4: Copy the Modified Formula

Copy the updated formula to other cells if needed.

If you have multiple cells with similar formulas, drag the fill handle (a small square at the bottom-right corner of the cell) to apply the modified formula to other cells.

Step 5: Save Your Changes

Finally, save your updated Excel file to ensure all changes are stored.

This ensures that all your hard work is saved, and you won’t have to redo it if something goes wrong.

After completing these steps, your Excel formulas will now ignore any blank cells, ensuring accurate calculations and a smoother workflow.

Tips on How to Ignore Formula if Cell is Blank in Excel

  • Use IF and ISBLANK Functions: These are the simplest ways to ignore blank cells.
  • Check for Zero: Sometimes, a cell might have a zero instead of being blank. Use the IF(A10, A1+B1, "") formula to address this.
  • Utilize Conditional Formatting: This helps to visually identify which cells are blank.
  • Employ Data Validation: To prevent blank cells in the first place.
  • Review Formulas Regularly: This helps to ensure your modifications are working as expected.

Frequently Asked Questions

What is the ISBLANK function?

The ISBLANK function checks whether a cell is empty. If it is, the function returns TRUE; otherwise, it returns FALSE.

Can I ignore blank cells in SUM formulas?

Yes, you can use the SUMIF or SUMIFS functions to sum cells that meet certain criteria, excluding blanks.

How do I handle blank cells in complex formulas?

You can nest the IF and ISBLANK functions within your complex formula to manage blanks.

Is there an easier way than manually editing each formula?

You can use Excel’s find and replace feature to quickly update multiple formulas at once.

Will this method work in Google Sheets?

Yes, the IF and ISBLANK functions also work in Google Sheets.


  1. Open Your Excel Spreadsheet.
  2. Select the Cell with the Formula.
  3. Edit the Formula.
  4. Copy the Modified Formula.
  5. Save Your Changes.


And there you have it! By following these simple steps, you can effortlessly tell Excel to ignore blank cells in your formulas. This can save you a ton of headaches and ensure your calculations are always spot-on.

Mastering these tricks can make you feel like you’ve leveled up in the world of spreadsheets. If you’re looking for more ways to make your Excel experience smoother, don’t stop here. There’s a whole world of tips and tricks out there waiting for you.

So, go ahead and try it out in your own Excel sheet. Got more questions or need further reading? Tons of Excel guides are available online that dive deeper into this topic and many others. Happy Excel-ing!

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