Free Standard Deviation Calculator

Paste numeric data to calculate mean, variance, and standard deviation instantly.

Standard Deviation Calculator

Calculate population and sample standard deviation from a number list.

How to Use

Paste numeric dataset values.
Run calculation to compute variance and standard deviation.
Copy sample/population metrics.

Workflow Notes

Calculate population and sample standard deviation from a number list.
Review output before sharing or exporting to downstream tools.
Use related tools below to continue your workflow without context switching.

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FAQ

What does Standard Deviation Calculator do?

Calculate population and sample standard deviation from a number list. It runs in your browser so you can iterate without switching apps.

Does Standard Deviation Calculator upload my data?

No server upload is required for the normal flow on this route. Processing is designed to run locally in your browser.

What input does Standard Deviation Calculator support?

Enter numeric inputs shown in the form. The tool calculates estimates directly in-browser.