Mean Calculator

Calculate the arithmetic mean of any set of numbers. Enter values and get the mean, sum, and count instantly.

Enter numbers (comma or space separated)

Mean Formula

x̄ = (x₁ + x₂ + … + xₙ) / n

Data: 4, 8, 15, 16, 23, 42
Sum = 108 n = 6
Mean = 108 / 6 = 18

Measure	Definition	Use When
Mean	Sum / count	No outliers, symmetric distribution
Median	Middle value	Skewed data or outliers present
Mode	Most frequent value	Categorical or discrete data

Last updated: 2026-08-08