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Standard Deviation Calculator

Mean, variance, sample and population standard deviation from a list of numbers.

Count
8
Mean
5.0000
σ (population)
2.0000
s (sample)
2.1381
Variance (pop)
4.0000
Min / Max
2 / 9

Mean, variance, sample and population standard deviation from a list of numbers.

Frequently asked questions

+What is the standard deviation for?

Mean, variance, sample and population standard deviation from a list of numbers. Enter the inputs on this page and the result updates instantly.

+Is this calculator free?

Yes. Every calculator on thesupercalculator is free to use with no sign-up and no ads on the calculator itself.

+Does this work on mobile?

Yes. Every calculator is fully responsive — the layout adapts to phones, tablets, and desktops.

+Is my data private?

Yes. All calculation happens in your browser. No inputs or results are sent to any server.

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