Z Score Calculator
About Z Score Calculator
Calculate how many standard deviations a value is from the mean.
How to Use
Calculate how many standard deviations a value is from the mean. Enter the Value, Mean, and Standard deviation values and review the Z score and Distance from mean outputs after you calculate.
- Open the calculator : Use Z Score Calculator from the Math category.
- Check the inputs : Review the required values and any optional settings.
- Read the formula : Use the formula and notes below to understand how the result is produced.
Common Questions
What formula does the Z Score Calculator use?
z = (x - mean) / standard deviation.
Inputs
- Value
- Mean
- Standard deviation
Outputs
- Z score
- Distance from mean
Formula
z = (x - mean) / standard deviation