Standard Deviation Calculator

Calculate standard deviation, variance, mean, and other statistics for your data set

Enter your data (comma, space, or line separated):

Population data (use N in denominator)

Decimal places:

Data Count (n):

Mean (μ or x̄):

Sum of Values:

Sum of Squares:

Variance (σ² or s²):

Standard Deviation (σ or s):

Your Data Points:

Calculation Steps: