The inverse normal distribution calculator finds the x-value and Z-score if you input the area, mean, and standard deviation of the normal distribution.

Enter the area (between 0 and 1) to the left of the unknown value. Mean: * Standard deviation: *

Specify the area, mean and standard deviation. After changing a value, hit enter, tab, or the "recalculate button" to update the results. Indicate whether you want to find the z for an area …

This InvNorm Calculator finds the Z-score (or X-value) for a given cumulative probability in a normal distribution. Supports standard and custom mean/SD values.

Apr 14, 2025 · Calculate inverse normal (quantile) values for given probabilities. Free tool for finding z-scores and confidence interval bounds.

Calculate the inverse normal distribution of a set of numbers. The inverse normal distribution calculator is a powerful statistical tool that works backward from probabilities to find …

Use our free InvNorm calculator to find z-scores fast. A powerful inverse normal distribution calculator for students, analysts & stats lovers. Try it now!

Easily calculate X values using our Inverse Normal Distribution Calculator. Enter mean, std deviation & probability to get results fast.

For the given mean and standard deviation, the calculator will find various probabilities for the random variable, and vice versa: for the specified probability, it will find the values of the …

Find the value of x for a given cumulative probability in a normal distribution using our interactive inverse normal (quantile) calculator with graph and formulas.