Average Calculator
Calculate the average of a list of numbers instantly.
Calculate the mean of a list of numbers.
25
4
100
About the average calculator
How this calculator works
Average is often the fastest way to summarize a short list of numbers into one representative value.
This calculator is built for quick pasted input, which makes it handy for grades, expenses, ratings, measurements, and small datasets.
Where it is useful
Mean values are useful when you want a single headline number and the dataset is not extremely skewed by outliers.
For more detail about distribution, it often helps to check median, mode, or standard deviation alongside the average.
- Average test scores, expenses, and survey ratings.
- Check the mean of a small exported list from a spreadsheet.
- Summarize repeated measurements during planning or analysis.
Example calculations
3 examples10, 20, 30, 40
25
4, 6, 8
6
2.5, 3.5, 4.5
3.5
Common uses
3 ideas- Average test scores, expenses, and survey ratings.
- Check the mean of a small exported list from a spreadsheet.
- Summarize repeated measurements during planning or analysis.
FAQ
3 answersWhat kind of average does this page calculate?
The arithmetic mean adds every value together and divides the total by the number of values entered.
Can I paste values from a spreadsheet or note?
Yes. You can paste comma-separated values, line-separated values, or a mix of both.
What happens if the list contains invalid text?
Invalid values are ignored, so the calculation only uses numbers that can be parsed correctly.