How to Put Comma in Numbers in Excel: A Step-by-Step Guide

Commas can be added to numbers in Excel to make them easier to read, especially when dealing with large figures. This quick guide will show you how to format numbers with commas using Excel’s built-in tools.

How to Put Comma in Numbers in Excel

Adding commas to numbers in Excel makes them more readable, and it’s really simple to do. Follow these steps to format your numbers correctly.

Step 1: Select the Cells

Click on the cells where you want to add commas.

Make sure you highlight all the cells that need formatting. You can do this by clicking and dragging or by holding down the Ctrl key while clicking individual cells.

Step 2: Open the Format Cells Dialog Box

Right-click on any of the highlighted cells and choose "Format Cells" from the context menu.

This will open a new window with multiple tabs, each containing different formatting options for your selected cells.

Step 3: Choose Number Tab

In the Format Cells dialog box, click on the "Number" tab.

This tab provides various formatting options for numbers, including the ability to add commas.

Step 4: Select Number Category

Under the Number tab, choose "Number" from the list of categories.

This will bring up options specifically for number formatting, such as decimal places and comma usage.

Step 5: Check the Use 1000 Separator Box

Check the box that says "Use 1000 Separator (,)."

This ensures that your numbers will include commas to separate thousands, making them easier to read.

Step 6: Click OK

Click the "OK" button to apply the formatting.

Your selected cells should now display numbers with commas, improving their readability significantly.

After you complete these steps, your numbers will have commas placed appropriately, making large figures much easier to understand at a glance.

Tips for Putting Comma in Numbers in Excel

  • Check Your Data Range: Make sure all cells that need formatting are selected.
  • Shortcut Key: Press Ctrl+1 to quickly open the Format Cells dialog box.
  • Custom Formatting: Use custom formats for more complex number formatting needs.
  • Consistency: Ensure all cells in your spreadsheet use the same format for clarity.
  • Undo Feature: If you make a mistake, use Ctrl+Z to undo your last action.

Frequently Asked Questions

Why should I add commas to numbers in Excel?

Adding commas makes large numbers easier to read and understand. It’s especially useful for financial data.

Can I add commas to numbers automatically?

Yes, by setting up the correct cell formatting, Excel will automatically add commas to new numbers you enter.

Will adding commas affect my calculations?

No, formatting changes like adding commas will not impact the actual values used in calculations.

Can I remove commas if I change my mind later?

Yes, you can reformat the cells and uncheck the "Use 1000 Separator" box to remove commas.

Does this work in all versions of Excel?

Yes, these steps are applicable in most versions of Excel, including older ones like Excel 2010.


  1. Select the Cells
  2. Open the Format Cells Dialog Box
  3. Choose Number Tab
  4. Select Number Category
  5. Check the Use 1000 Separator Box
  6. Click OK


Adding commas to numbers in Excel is a simple yet powerful way to make your data more readable. Whether you’re dealing with financial figures or large datasets, this small formatting tweak can have a big impact. Remember, the steps are straightforward: select your cells, open the Format Cells dialog box, choose the number category, check the "Use 1000 Separator" box, and click OK.

By following these steps, you will enhance the clarity of your data, making it easier for others to interpret at a glance. Don’t underestimate the power of clear data presentation. For further reading, you might want to explore more Excel formatting techniques or delve into advanced Excel functions to make your spreadsheets even more efficient and user-friendly. Keep practicing, and soon you’ll be an Excel pro!

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