➗ Z Score From Value Calculator
Find a z-score from value, mean, and standard deviation.
Result
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How this calculator works
Find a z-score from value, mean, and standard deviation.
Formula
z=(x-μ)/σ
Example
85 with mean 70 and SD 10 has z=1.5.
Frequently asked questions
What does the Z Score From Value Calculator do?
Find a z-score from value, mean, and standard deviation.
Are the results exact?
The calculator follows the displayed formula. Rounded display values may differ slightly from full-precision results.
Can I use negative or decimal values?
Most fields accept decimals and negative values when they make sense for the formula.
How should I check an important result?
Review the formula, verify your entries, and confirm high-stakes work with a qualified teacher or professional.