INTERACTIVE TOOL
Average calculator
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How to use this tool
- Separate values with spaces or commas.
- Use a dot for decimals and no thousands separators.
- Check the number of observations before using the mean.
Formula or method usedAverage = sum of all values ÷ number of values.
Worked example
For 10, 12 and 20, the sum is 42, the mean is 14 and the median is 12.
Assumptions and limits
Outliers can strongly change the mean; inspect the median and range as well.
Frequently asked questions
Is the mean the same as the median?+
No. The mean uses the total; the median is the middle value after sorting the list.
What happens to my inputs?+
Calculation inputs are processed locally in your browser. Favorites and preferences may be saved on this device. The site may perform separate network requests for live panels; these do not include the values entered into this local calculator. Do not paste secrets into public tools.
How should I check the result?+
Outliers can strongly change the mean; inspect the median and range as well.