Mean Calculator
Average of a list of numbers.
Enter the values and press Calculate.
How to use Mean Calculator
The mean is the sum of values divided by how many there are. This tool averages a comma-separated list.
Open Mean Calculator on toolpermarket. It runs entirely in your browser, so you can start without creating an account.
Enter the numbers as comma-separated values in the fields above, then press Calculate.
Read the result below the form. Change any input and run it again as many times as you like — the math is instant and local.
Worked example. The mean of 1, 2, 3, 4 is 2.5.
When to use Mean Calculator. Use it to summarize test scores, measurements, or any data set quickly.
Frequently asked questions
Is Mean Calculator free to use?
Yes. Mean Calculator runs entirely in your browser. There is no account, no upload, and no cost.
Does Mean Calculator work on mobile?
Yes. The layout is responsive, so Mean Calculator works on any phone, tablet, or desktop with a modern browser.
How is mean different from median?
Mean is the average of all values; median is the middle value. They can differ when a few numbers are far from the rest.
Can I mix integers and decimals?
Yes. The tool parses each comma-separated value as a number, so 1, 2.5, 3 all work.