Can the list contain negative values?
Yes. Any finite positive, zero, or negative number is accepted.
Average Calculator
Find the mean, median, range, and repeated values in a numeric list.
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Adjust the values below to get a clear estimate.
Summary statistics for a list
The mean sums the values and divides by count. The median is the middle sorted value or the midpoint of the two middle values. A mode is reported only when a value repeats.
Mean = sum / count; median = middle sorted value(s)Worked example
Even-sized list
Inputs: values: 12, 18, 24, 30
Illustrative result: Mean 21 · median 21 · range 12–30
The four values total 84; dividing by four gives a mean of 21, and the two middle values average to 21.
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Frequently asked questions
What if there is no repeated value?
The mean, median, minimum, maximum, and count are still shown; no mode is listed.