Z-Score Calculator

Find how many standard deviations a value is from the mean.

How to use Z-Score Calculator

Find how many standard deviations a value is from the mean.

  1. Enter the requested values in the relevant fields.
  2. Check the units and calculation options.
  3. Compare the result with the assumptions in your scenario.

Inputs are processed in your browser unless the tool explicitly states that it retrieves reference data. Verify the result against your own context before making an important decision.