Standard Deviation Calculator – Step by Step

Standard Deviation Calculator – Step by Step

 

Standard Deviation Calculator – Step by Step

Find the mean, variance and standard deviation of any data set with this free standard deviation calculator. Paste your numbers separated by commas or spaces, and see the population and sample results plus the step-by-step working. It runs entirely in your browser.

This standard deviation calculator runs entirely in your browser. Your data never leaves your device.

Popular standard deviation examples

  • 2, 4, 4, 4, 5, 5, 7, 9 — population SD 2, sample SD 2.14
  • 10, 20, 30, 40, 50 — mean 30, population SD 14.14
  • Use population SD for a full data set; sample SD when your numbers are a sample of a larger group.

This tool runs entirely in your browser — nothing is uploaded or stored anywhere.


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