math tool
Average Calculator
Calculate the average (mean) of numbers instantly.
Enter numbers separated by commas or line breaks to calculate the arithmetic mean.
averagelive
25
mean value
count
4
sum
100
How it works
arithmetic meanThe calculator adds all valid numbers in your list, then divides that total by the number of values entered. It accepts comma-separated or newline-separated input, which makes it handy for pasted lists from spreadsheets, notes, and simple datasets.
Common uses
quick mathAverage test scores, expenses, ratings, or repeated measurements quickly.
Check the mean of spreadsheet values without opening a separate calculator.
Summarize small numeric lists for reports, notes, and lightweight analysis.