13 tools · 8 categories of free math calculators

Standard Deviation Calculator

Calculate the standard deviation, variance, mean, and count of any data set. Supports both population and sample standard deviation formulas.
σ = √(Σ(xᵢ − μ)² / N)

Solution

About Standard Deviation Calculator

Calculate the standard deviation, variance, mean, and count of any data set. Supports both population and sample standard deviation formulas.

Enter your values above and click Calculate to get your result. The calculator provides quick and accurate answers for all your math needs.