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How to Use Excel STDEV Function?

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The Standard deviation is a quantity expressed by how much the members of a group differ from the mean value for the group. We can calculate it in Excel with the help of the STDEV function. Every Excel user knows that Excel provides various built-in formulas and functions to achieve the task.

In this tutorial, we will guide you to learn the usage of Excel STDEV Function with its syntax, explanation, and examples. Get an official version of MS Excel from the following link:

Excel STDEV FunctionPin
Excel STDEV Function

Explanation of STDEV Function

  • It is one of the built-in functions in Excel.
  • This function returns the standard deviation of data based on the given sample.
  • You can calculate the standard deviation using the below mathematical formula.
  • To know more about calculating standard deviation mathematically, then visit the following reference tutorial website


  • Here, you will see the syntax of the STDEV function.
  • To apply this function on your spreadsheet, you have to select a cell and enter the formula in the following format.
  • Once you enter the formula, just click on the Enter button to get the result.

=STDEV(number1, [number2],…)

Arguments Explanation:

Number1 – It is the first input number or cell reference.

Number2 – It is an optional one. It is the second input number or cell reference.

1) This function ignores the Text, Logical values, Empty cells, and Error-values.
2) The standard deviation is calculated using the “n-1” method.
3) The arguments can be numbers, array, or references that contain numbers.

The following table shows the standard deviation function provided by Excel.

Function NameData SetText and logical Value
STDEVSampleIt will be Ignored
STDEVPPopulationIt will be Ignored
STDEV.SSampleIt will be Ignored
STDEV.PPopulationIt will be Ignored
STDEVASampleIt will Evaluate
STDEVPAPopulationIt will Evaluate

Practical Examples

Here, we come up the examples to clearly understand STDEV Function.

  • Initially, you have to open your Excel workbook on your PC and launch a worksheet that has data.
  • For example, we have entered the input values in Column B, and we will get the standard deviation value.
Input RangePin
Input Range
  • After that, we have to apply the above-mentioned formula to get the result.
Enter the formulaPin
Enter the formula
  • Once you have entered the formula, you will need to click on the Enter button.
  • As we already said, this function ignores the Text, Logical values, Empty cells, Error-values, and special symbols.
  • In the below-given image, you can see those values, and they will be ignored by the STDEV function.


In this tutorial, we guided you to learn the usage of Excel STDEV Function with its syntax, explanation, and examples. Kindly, share your feedback in the comment section. To learn more about Excel functions, then visit our webpage

Video Tutorial

In this section, you will see the video to know how to apply the Excel STDEV function in the worksheet.

Read Ahead:


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