Z-score calculator — compute z = (x − μ) / σ for any value in a distribution.
Z-Score Calculator
Z-Score Calculator. Standard score from mean and σ. Fast, accurate, private.
Mean
80.000000
Variance (pop)50.000000
Std dev7.071068
Z-score0.000000
n5
Steps
- Open the calculator
- Enter your values
- Read the result instantly
Related
FAQ
Are results official?
No — quick estimates only. Confirm with your bank or provider.
Is data saved?
No. Calculations run in your browser.
Where is the full tool?
Each satellite links back to the main hub calculator.