Variance Calculator

Calculate population or sample variance and standard deviation from a dataset.

How to Use this Variance Calculator

  • Enter numbers separated by commas, spaces, or new lines.
  • Select population or sample mode.
  • Review count, mean, variance, and standard deviation outputs.

Embed this Variance Calculator

Copy and paste this snippet into your HTML where you want the calculator to appear.

Variance Calculator Use Cases

  • Measure how spread out your data is for school, analytics, or quality tracking.
  • Switch between sample and population variance depending on your data context.
  • Pair with mean and standard deviation to explain results without sounding like a statistics robot.

Related Mathematical Calculators