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Excel LOGINV Function

The LOGINV function returns the inverse of the cumulative lognormal distribution function of x, for a supplied probability. We can use the lognormal distribution to analyze data that has been logarithmically transformed.

Note: The LOGINV function has been replaced with LOGNORM.INV with improved accuracy. Although LOGINV is still available in current versions of Excel, you should consider using the new function from now on, because LOGINV may not be available in Excel’s future versions.

loginv function 1


=LOGINV(probability, mean, standard_dev)


  • probability (required): The probability associated with the lognormal distribution.
  • mean (required): The arithmetic value of the mean of ln(x).
  • standard_dev (optional): The value of the standard deviation of ln(x).

Return Value

The LOGINV function returns a numeric value.

Function Notes

  • LOGINV returns the #VALUE! error value if any argument is non-numeric.
  • LOGINV returns the #NUM! error value if:
    • probability ≤ 0 or probability ≥ 1.
    • standard_dev ≤ 0.


To calculate the inverse of the cumulative lognormal distribution with the given probability, mean, and standard deviation as shown in the table below, please copy or enter the below formula in the result cell (D6), and press Enter to get the result.


loginv function 2

Also, you can type the actual probability, mean, and standard_dev values in the formula as shown below.


Related functions

Excel LOGNORM.INV Function

The LOGNORM.INV function returns the inverse lognormal distribution for a given value of x. We can use the lognormal distribution to analyze data that has been logarithmically transformed.

Excel WEIBULL.DIST Function

The Excel WEIBULL.DIST function returns the Weibull probability density function or Weibull cumulative distribution for a supplied set of parameters. It is frequently used for reliability analysis, e.g., for testing the mean time of the failure of an equipment in a specific time range.

Excel POISSON.DIST Function

The Excel POISSON.DIST function returns the Poisson distribution which is used to predict the number of events occurring over a specific time, e.g., the number of people arriving at the market in 10 minutes.

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