Standard Deviation Calculator
Standard Deviation Calculator lets you standard deviation is the square root of variance with n or n−1 denominator. Enter your own values or load the worked example.
- Copy or download the computed result
- Adjust numbers
- See the processing method and limits
Method and calculation
Standard deviation is the square root of variance with n or n−1 denominator.
Inputs and settings
Standard Deviation Calculator accepts Numbers; Population or sample (population, sample).
Worked example
Standard Deviation Calculator example — Numbers: "2,4,5,8,10"; Population or sample: "sample". Computed output: { "mean": 5.8, "variance": 10.2, "standardDeviation": 3.1937438845342623 }
Output and limitations
Standard Deviation Calculator: Use finite inputs. Results use double-precision arithmetic.
Technical references: JavaScript Unicode normalization
Standard Deviation Calculator FAQs
Standard Deviation Calculator applies the following rule to your input: Standard deviation is the square root of variance with n or n−1 denominator. The worked example on this page uses the same processor as the result button.
Standard Deviation Calculator has these boundaries: Use finite inputs. Results use double-precision arithmetic. Start by checking the numbers field against the units or format shown.
Standard Deviation Calculator provides this sample: { "mean": 5.8, "variance": 10.2, "standardDeviation": 3.1937438845342623 }. Use the sample button to reproduce it, then replace the inputs with your own values.