What is the difference between mean and median?

The mean adds all values and divides by the count; outliers can pull it. The median is the middle value when sorted and resists outliers — see Mean, Median, Mode.

Average Calculator

Calculate the arithmetic mean, sum and count of any list of numbers. Handles decimals, negatives and large lists instantly.

Example values are shown — change any of them and the answer updates live.

Numbers (comma-separated)

Average (mean)

How each measure is found

Step 1 · Sort the values

sort(values)

[2, 4, 4, 6, 8]

Step 2 · Middle value is the median

mean = sum ÷ count

24 ÷ 5

4.8

Exact arithmetic — computed instantly in your browser.

How each measure is found

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