Average Calculator
Find the arithmetic mean, sum, count, minimum, and maximum of a number list.
What this calculator does
Enter numbers separated by commas or spaces to calculate their arithmetic average and summary statistics.
Inputs and what they mean
- Numbers
- — Separate numbers with commas, spaces, or new lines..
How to use it
- Enter a list of numbers separated by commas or spaces.
- Check that every entry is numeric.
- Read the mean, count, sum, minimum, and maximum.
Formula
Average (arithmetic mean) = sum of all values ÷ number of values.
Worked example
Average of 12, 18, 25, and 30
Their sum is 85; divided by 4, the average is 21.25.
Reading the result
The headline figure is the main answer. Any breakdown underneath shows the parts that make it up, so you can check the working and see what changes when you adjust an input.
Limitations and assumptions
Results depend entirely on the figures you enter and are rounded for display. They are for general information and education, not professional advice.
Common questions
Related tools
Calculate percentages, proportions, and percentage change with a clear formula breakdown.
Calculate a value after a percentage increase and see the exact increase amount.
Calculate a value after a percentage decrease and see the exact reduction.