Standard deviation calculator
This tool derives mean, variance, and both population and sample standard deviations from a number list. The complete operation runs in temporary browser memory, so the input is never uploaded or stored by LocalKit.
The input stays available if you need to adjust a setting.
How to use standard deviation calculator
- 1
Add the source values or files shown in the workbench.
- 2
Choose the settings for standard deviation calculator.
- 3
Run the tool, inspect the local result, then copy or download it.
A realistic example
Confirm the classic population standard deviation example equals 2. The source and generated result remain in this browser tab throughout the operation.
Supported formats and limits
Input: delimited decimal numbers. Output: statistical metrics.
- Sample deviation requires at least two numbers.
- Available memory and browser limits still apply to very large inputs.
Questions people ask
What does standard deviation calculator change?
This tool derives mean, variance, and both population and sample standard deviations from a number list.
Is any input sent to a server?
No. LocalKit performs this operation in your current browser tab.