Standard Deviation Calculator
CalculatorsCompute population and sample standard deviation.
Result
What is Standard Deviation Calculator?
Standard Deviation Calculator computes population and sample standard deviation for a data set.
How to use Standard Deviation Calculator
- 1 Enter the numbers.
- 2 Choose population or sample.
- 3 Read the standard deviation and supporting values.
Supported formats and limits
- Input: a set of numbers
- Output: population and sample standard deviation, variance
- Runs in your browser
Common uses
- Measure how spread out a data set is.
- Compute variance for statistics work.
- Compare the variability of two sets.
Things to know
- Choose population vs sample correctly for your data.
- It assumes numeric input only.
Privacy and file handling
Calculations are local to your browser.
Frequently asked questions
Which should I choose, population or sample?
Use population when your data covers the whole group, and sample when it is a subset used to estimate a wider group.
Does it calculate sample or population standard deviation?
Both are shown, so you can use the one that fits your data.
What do I need to enter?
A list of numbers separated by commas, spaces or new lines.
Is my data uploaded?
No. It runs in your browser.
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