Variance Calculator

Calculate population and sample variance with standard deviation included for context.

Variance Calculator

Calculate population and sample variance from a list of numbers.

Example: 5, 7, 9, 11, 13

Variance Calculator

This variance calculator lets you compare population and sample variance in one place. It also reports the matching standard deviation so you can interpret results quickly.

  • Accepts comma, space, and line-separated inputs
  • Highlights your preferred primary formula
  • Includes mean and sum for quick verification
  • Handles small samples with clear guidance

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Added Apr 27, 2026

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