Average / Mean Calculator

Find the mean, sum, count and range of a numeric list.

How this calculator works

Enter the values for numbers. The result applies the displayed method and rounds only for presentation.

Formula / method

mean = sum ÷ count

Worked example

Worked example: Numbers = 10, 20, 30.

Assumptions and limitations

The inputs use the units shown and the displayed average / mean calculator method applies to the situation being estimated.

This average / mean calculator uses the stated formula and supplied units; unusual inputs, local rules or professional context can change the interpretation.