NORM.S.INV DAX Function (Statistical)
Returns the inverse of the standard normal cumulative distribution. The distribution has a mean of zero and a standard deviation of one.
Syntax
| Parameter | Attributes | Description | 
|---|---|---|
| Probability | A probability corresponding to the normal distribution. | 
Return values
The inverse of the standard normal cumulative distribution. The distribution has a mean of zero and a standard deviation of one.
Examples
--  NORM.INV returns the inverse of the normal distribution 
--  for the specified mean and standard deviation
--
--  NORM.S.INV returns the inverse of the standard normal distribution 
--  (has a mean of zero and a standard deviation of one)
--
--  https://en.wikipedia.org/wiki/Normal_distribution
DEFINE
    TABLE SampleData    = { 2, 4, 4, 4, 5, 5, 7, 9 }
    VAR Mean            = AVERAGE ( SampleData[Value] )
    VAR StandardDev     = STDEV.S ( SampleData[Value] )
    VAR Percs           = GENERATESERIES ( 0.05, 0.99, 0.05 )
    VAR CumulativeTrue  = TRUE   -- Cumulative distribution function
    VAR CumulativeFalse = FALSE  -- Probability density function
EVALUATE
SELECTCOLUMNS (
    Percs,
    "Probability %", [Value],
    "Inv. Normal Distr.",          -- Probability density function
        FORMAT (
            NORM.INV ( [Value], Mean, StandardDev ),
            "#,0.00000"
        ),
    "Inv. Standard Normal Distr.", -- Probability density function
        FORMAT (
            NORM.S.INV ( [Value] ),
            "#,0.00000"
        )
)
| Probability % | Inv. Normal Distr. | Inv. Standard Normal Distr. | 
|---|---|---|
| 5.00% | 1.48316 | -1.64485 | 
| 10.00% | 2.25993 | -1.28155 | 
| 15.00% | 2.78401 | -1.03643 | 
| 20.00% | 3.20054 | -0.84162 | 
| 25.00% | 3.55788 | -0.67449 | 
| 30.00% | 3.87878 | -0.52440 | 
| 35.00% | 4.17615 | -0.38532 | 
| 40.00% | 4.45832 | -0.25335 | 
| 45.00% | 4.73132 | -0.12566 | 
| 50.00% | 5.00000 | 0.00000 | 
| 55.00% | 5.26868 | 0.12566 | 
| 60.00% | 5.54168 | 0.25335 | 
| 65.00% | 5.82385 | 0.38532 | 
| 70.00% | 6.12122 | 0.52440 | 
| 75.00% | 6.44212 | 0.67449 | 
| 80.00% | 6.79946 | 0.84162 | 
| 85.00% | 7.21599 | 1.03643 | 
| 90.00% | 7.74007 | 1.28155 | 
| 95.00% | 8.51684 | 1.64485 | 
Related functions
Other related functions are:
Last update: Oct 22, 2025 » Contribute » Show contributors
Contributors: Alberto Ferrari, Marco Russo, Kenneth Barber
Microsoft documentation: https://docs.microsoft.com/en-us/dax/norm-s-inv-dax
