Statistics Calculator
Get mean, median, mode, range, variance, quartiles and more from a data set.
Enter your values to see the result.
Continue your work
- Standard Deviation Calculator — See standard deviation step by step.
- Mean, Median & Mode Calculator — Get just the averages.
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Clear instructions
Find steps, examples and limitations below.
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Open the tool in a supported web browser.
Free to use
No sign-up required. Tool-specific limits may apply.
How to use the Statistics Calculator
Get mean, median, mode, range, variance, quartiles and more from a data set.
- 1 Paste your numbers separated by commas, spaces or new lines.
- 2 Read the summary statistics.
- 3 Use the sorted list to check your data.
Example and practical tips
Test scores 12, 15, 18, 18, 21, 24, 27, 30, 33, 45 have a mean of 24.3, a median of 22.5 and a mode of 18.
Frequently asked questions
Sample or population standard deviation?
Use the sample value when your numbers are a sample of a larger group, which is the usual case.
How are quartiles calculated?
By linear interpolation between sorted values, the same method as spreadsheet functions like QUARTILE.INC.
Report an issue
Something broken or not quite right? Tell us and we will look into it.