Standard Deviation and Variance Calculator

Calculate population or sample variance and standard deviation from comma-separated values.

Your inputs

Your result

Enter your information and select Calculate to see the result.

How this calculator works

Variance averages squared distances from the mean; sample variance divides by n − 1.

Change one assumption at a time to see which inputs have the greatest effect on the estimate.

Worked example

For 2, 4, and 6, the population standard deviation is about 1.633.

Limitations

This calculator is for educational use; verify important work independently.

Review this educational estimate against current quotes, official information, and your own budget before making a financial decision.