Standard Deviation Calculator

Calculate the standard deviation and variance of your dataset. Determine the dispersion and spread of your data around the mean.

Dataset & Type

sample

Use Sample if the data is a subset of the population. Use Population if the data represents the entire group.

No data yet

Enter your dataset on the left to calculate the standard deviation and variance.

How to Use

  1. 1

    Enter Dataset

    Paste your numbers into the input box, separated by commas or spaces.

  2. 2

    Select Data Type

    Choose whether your data represents a Sample (N-1) or an entire Population (N).

  3. 3

    Calculate

    Click calculate to view the standard deviation, variance, mean, and sum of squares.

Frequently Asked Questions

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