Average (Mean) Calculator
Find the arithmetic mean of up to five numbers.
Add up your numbers and divide by how many there are. Leave entries at 0 to ignore them.
The math behind it
mean = (x₁ + x₂ + … + xₙ) ÷ n. This is the arithmetic average.
Worked example
10, 20, 30 → (10 + 20 + 30) ÷ 3 = 20.
FAQ
Mean vs median?
The mean is the average; the median is the middle value when sorted — less affected by outliers.