Standard Deviation Calculator
Calculate the standard deviation of a dataset to understand the spread of your numbers. Enter your values below, separated by commas or spaces.
Input Data
Results
Enter your data and click “Calculate” to see results
About Standard Deviation
Formulas:
Population Standard Deviation:
σ = √(Σ(xáµ¢ – μ)² / N)
Sample Standard Deviation:
s = √(Σ(xáµ¢ – xÌ„)² / (n – 1))