Online Calculator

Variance and standard deviation calculator

Enter a list of values and choose between population or sample calculation.

Information

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Instant result

Enter the data and press the button to do the calculation.

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Local processing

The values are processed directly in your browser.

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Free

No registration, external API or subscription required.

Frequently asked questions

What does the variance measure?

Measures how far values are spread around the mean.

What is the standard deviation?

It's the square root of the variance.

What is the difference between population and sample?

Population variance divides by n, while sample variance divides by n - 1.

Does it support decimals?

Yes.

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