Home / Education & Math / Average Calculator 02 · A little clarity EXAMPLE RESULT
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How to use Paste your number list separated by commas, spaces, or newlines. Include repeated values as separate entries. Calculate to see the mean together with the sum, count, minimum, and maximum.
For related tasks, try the Mean Median Mode Calculator .
Formula & how it works Arithmetic mean = sum of all values ÷ number of values.
Worked examples Example 1 10, 20, 30 have sum 60 and count 3, giving a mean of 20.
Example 2 −5, 0, 2.5, 2.5 have sum 0 and count 4, giving a mean of 0.
Assumptions & practical notes Every entry has equal weight, including duplicates. Blank input is not treated as zero.
Outliers can pull the mean away from a typical value. Use Mean Median Mode to compare the center of a skewed dataset.
See our calculation methodology for unit definitions and testing practices.
Frequently asked questions Are repeated numbers counted? Yes. Each occurrence contributes to the sum and count.
Is this a weighted average? No. For course-weighted averages use Grade Calculator; for credits use GPA Calculator.
Related calculators Mean Median Mode Calculator Compare mean, median, modes, range, and sorted values for a dataset.
Open calculator → Grade Calculator Calculate your class grade from points or weighted assignments, or find a test grade from questions missed.
Open calculator → Percentage Calculator Solve percent-of, percentage change, reverse percentage, and percentage difference problems.
Open calculator → LCM Calculator Find the least common multiple of two or more integers, with exact answers and Euclidean-algorithm steps.
Open calculator → Percent Error Calculator Compare a measured value with a reference value and find absolute percentage error, signed difference and direction.
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Updated 2026-09-22 
CalcCommons