Average Calculator

Enter numbers separated by commas to calculate statistics.

This free average calculator finds the arithmetic mean of a list of numbers and also shows the sum, count, median, geometric mean, largest value, smallest value and range.

Method and Editorial Notes

AuthorCalendarena Editorial Team
PublisherCalendarena
Updated
ReliabilityThe method uses the standard arithmetic mean formula: sum of values divided by count. Results are calculated in your browser and rounded to four decimal places for readability.

How to Use the Average Calculator

Average Calculator

What the tool calculates

The calculator adds every value, divides the total by the number of values and returns the arithmetic mean. It also calculates supporting statistics so you can understand the data set at a glance.

Input format

Type numbers separated by commas, spaces, line breaks or semicolons. Decimal values and negative numbers are supported. For decimal comma languages, semicolon-separated input such as 1,5; 2,5 is also accepted.

Example

For the numbers 10, 2, 38, 23, 38, 23 and 21, the sum is 155 and the count is 7, so the average is 22.1429.

Common uses

Use this tool for grade checks, sales reports, survey scores, measurement summaries, research data and quick quality-control calculations.

Average Calculator FAQ

What is an average?

An average, or arithmetic mean, is the sum of all numbers divided by how many numbers are in the list.

Can I use negative or decimal numbers?

Yes. The calculator supports negative values and decimal numbers.

Why is the geometric mean sometimes unavailable?

The geometric mean is only calculated when every input value is greater than zero.