NORMSDIST function

Returns the standard normal cumulative distribution function. The distribution has a mean of 0 (zero) and a standard deviation of one. Use this function in place of a table of standard normal curve areas.

Important: This function has been replaced with one or more new functions that may provide improved accuracy and whose names better reflect their usage. Although this function is still available for backward compatibility, you should consider using the new functions from now on, because this function may not be available in future versions of Excel.

For more information about the new function, see NORM.S.DIST function.



The NORMSDIST function syntax has the following argument:

  • Z     Required. The value for which you want the distribution.


  • If z is nonnumeric, NORMSDIST returns the #VALUE! error value.

  • The equation for the standard normal density function is:



Copy the example data in the following table, and paste it in cell A1 of a new Excel worksheet. For formulas to show results, select them, press F2, and then press Enter. If you need to, you can adjust the column widths to see all the data.





Normal cumulative distribution function at 1.333333


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