Z-Score Calculator

Standardize a raw score to see where it falls on a normal distribution.

Calculate Z-Score

What is a Z-Score?

A Z-score (or standard score) is a numerical measurement that describes a value's relationship to the mean of a group of values. It is measured in terms of standard deviations from the mean. A Z-score of 0 indicates that the data point's score is identical to the mean score.