The online invnorm calculator helps you to compute the inverse normal probability distribution and confidence interval for the given values. It also displays a graph for confidence level, left, right …

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 …

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

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.

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

The Inverse Norm Calculator is a powerful online tool that helps you quickly find the Z-score corresponding to a given probability value under the standard normal distribution.

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

The inverse normal distribution calculator is a powerful statistical tool that works backward from probabilities to find corresponding values in a normal distribution.

Find the z-score or x-value from the given cumulative probability with this invnorm calculator. Get quick invnorm results, graphs, and calculations.

Do you Want to calculate the inverse normal value? Enter the probability, mean, and standard deviation, and our InvNorm Calculator Tool will show you the inverse normal value.