Arithmetic Mean Calculator

Easily calculate the average of a set of numbers. Enter your values and get the mean instantly.

Separate numbers by commas or spaces.

Result:

Understanding Arithmetic Mean

The arithmetic mean, often simply called the "mean" or "average," is a measure of central tendency that provides a typical value for a dataset. It is calculated by summing all the values in a dataset and dividing by the number of values.

Formula: The formula for the arithmetic mean () where:

Example: To find the arithmetic mean of the numbers 3, 6, 9, and 12:

  1. Sum the numbers: 3 + 6 + 9 + 12 = 30
  2. Count the numbers: There are 4 numbers.
  3. Divide the sum by the count: 30 / 4 = 7.5
Thus, the arithmetic mean is 7.5.

The arithmetic mean is widely used in statistics, mathematics, economics, and various other fields to represent the central value of a set of data.