Calculate z-scores to standardize values and understand how data points relate to the mean. Get instant results with percentile rankings and detailed interpretations.
Enter a raw score along with population mean and standard deviation to calculate its z-score.
Enter multiple raw scores to calculate z-scores for each value.
Enter a z-score to calculate the corresponding raw score.
Fill in the required fields on the left and click "Calculate Z-Score" to see your results here. The calculator will show:
Choose a calculation mode above to get started.