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Statistics

Standard Deviation Calculator

A statistical calculator that computes standard deviation, variance, and mean from a dataset. Perfect for analyzing data spread and variability in statistical analysis.

Specialized Calculators

Choose from 2 specialized versions of this calculator, each optimized for specific use cases and calculation methods.

CalculationType

2 calculators
Population
Population Standard Deviation Calculator (σ) | Full Dataset Analysis
Calculate the population standard deviation (σ) and variance (σ²) for a complete dataset.
population standard deviationsigmapopulation variance+2
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Sample
Sample Standard Deviation Calculator (s) | Estimate Population Spread
Calculate the sample standard deviation (s) and variance (s²) from a sample dataset to estimate population variability.
sample standard deviationssample variance+2
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