Standard Deviation Calculator

Calculate mean, population standard deviation and sample standard deviation for a list of numbers.

Numbers (comma or space separated)

Result

Frequently asked questions

Is this standard deviation calculator free?

Yes. It is completely free, works in your browser and does not require an account.

Does it work on mobile?

Yes. EasyToolsCalc is responsive and works on phones, tablets and desktop computers.

Are my values saved?

No. The calculation runs locally in your browser. EasyToolsCalc does not save the numbers you enter.