Standard deviation calculator — compute σ from a list of numbers for stats homework.
Standard Deviation Calculator
Standard Deviation Calculator. Calculate σ from a data set. Fast, accurate, private.
Standard deviation
5.237229
Mean18.000000
Variance27.428571
Count8
Steps
- Open the calculator
- Enter your values
- Read the result instantly
Related
FAQ
Are results official?
No — quick estimates only. Confirm with your bank or provider.
Is data saved?
No. Calculations run in your browser.
Where is the full tool?
Each satellite links back to the main hub calculator.