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Mathematics & Statistics / Statistics

Z-Score Calculator

Raw Score (X)

Mean (μ)

Standard Deviation (σ)

Formula

Z = (X - μ) / σ

Standard deviations from the mean

See Also

Other calculators in Statistics

Mean, Median, Mode Calculator

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Standard Deviation Calculator

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Correlation Coefficient Calculator

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Relevant Blog Posts

Articles in Statistics

Statistical Significance vs. Statistical Power: What P-Values Really Tell You (And What They Don't)

A Beginner's Guide to Probability Distributions: When to Use Normal, Binomial, and Poisson

Linear Functions vs. Data Reality: Why Every Forecast Eventually Fails