Z-score calculator
Enter the value, mean and standard deviation.
Result
A value of 70 with mean 60 and standard deviation 5 has z = 2.
Example
Convert a value to a z-score using the mean and standard deviation.
A value of 70 with mean 60 and standard deviation 5 has z = 2.
Processed locally in your browser.
Methodology
z = (value − mean) / standard deviation.
Related tools