Variance Calculator

Enter your data set to compute population or sample variance with visual charts and step-by-step math.

Modify the values and click the Calculate button to use this tool.

Variance Calculator

Enter numbers separated by commas. Choose population or sample variance.

Data type

Formula

σ² = Σ(x−μ)² / n  |  s² = Σ(x−μ)² / (n−1)

How to use

  1. Enter comma-separated numbers.
  2. Select population or sample variance.
  3. Review variance, std dev, mean, and histogram.