In this post, we show you how to add error bars to a Microsoft Excel spreadsheet. You can use Error bars for standard deviation & trending margin of error.

If you create charts with Excel, error bars allow you to visualize margins of error for data points. Here's how to add error bars in Excel.

In Excel, custom input or error messages explain the rules for each field to prevent data-entry errors. Here's how to set them up in a spreadsheet.

The error bars look small, but that is often how it turns out. You can put error bars for both x- and y-data, but I just did y-data here for an example.

In Excel spreadsheets, complex formulas are difficult to enter without making mistakes. Microsoft Excel’s LAMBDA() function can make such errors easier to find.