Standard Deviation Calculator
Calculate standard deviation, variance and mean for a data set.
How to use Standard Deviation Calculator
- Paste your numbers
- Separate them with commas
- Read the statistics
About Standard Deviation Calculator
Standard Deviation Calculator is a free online online tool that lets you calculate standard deviation, variance and mean for a data set. It runs entirely in your web browser, so there is nothing to download or install and you never need to create an account.
Simply open the tool, add your content, and get your result in seconds. A live preview lets you check the result before you download it.
Standard Deviation Calculator is 100% free with no limits, no watermarks and no sign-up. Your input is processed securely in your session and is never stored on our servers. Popular searches for this tool include Standard Deviation Calculator, Variance Calculator, Statistics Calculator.
Features
- ✓100% free with no usage limits
- ✓Works in any browser — nothing to install
- ✓Instant live preview of your result
- ✓Mobile, tablet and desktop friendly
Benefits
- ★Save time with fast, one-click processing
- ★No software, no registration and no email required
- ★Your data stays private — nothing is stored
- ★Completely free, with no hidden costs or watermarks
- ★Use it anywhere, on any device with a browser
Frequently asked questions
Is Standard Deviation Calculator free to use?
Yes, Standard Deviation Calculator is completely free with no usage limits, no watermarks and no sign-up required.
Do I need to install software or create an account?
No. The tool runs entirely in your web browser — there is nothing to download and no account to create.
Is my data stored or shared?
No. Your input is processed securely in your session and is never stored or shared.
How do I use Standard Deviation Calculator?
It takes just a few steps: paste your numbers; separate them with commas; read the statistics.
Does Standard Deviation Calculator work on mobile and Mac/Windows?
Yes. It works in any modern browser on phones, tablets, Windows, macOS and Linux.