Mean, Median & Mode Calculator
Find the mean, median, and mode of a list of numbers.
How to use
Enter your values and pick a mode if the tool offers one.
Click calculate — results appear instantly, computed in your browser.
Copy the result or save the tool to your favorites.
Frequently asked questions
Add all numbers and divide by how many there are.
Sort the numbers; the median is the middle value, or the average of the two middle values.
Then there is no mode, and the tool says so.
Yes — if several values tie for most frequent, all are shown.
Separate them with commas, e.g. 4, 8, 15.
About the Mean, Median and Mode Calculator
This tool calculates the three most common measures of central tendency for a list of numbers: the mean, the median, and the mode. Enter your values separated by commas and it returns all three at once, giving a fuller picture of your data than any single average could.
The three averages and how they differ
The mean is the familiar average: add every value and divide by how many there are. The median is the middle value when the numbers are sorted, or the average of the two middle values if there is an even count. The mode is the value that appears most often. They answer different questions, and they can differ sharply for the same data, which is exactly why looking at all three together is informative.
Why the median matters
The mean is sensitive to extreme values, which can make it misleading. Consider incomes in a room: if one billionaire walks in, the mean income soars, even though almost everyone in the room is unaffected. The median, the middle person, barely moves and better represents the typical case. This is why median is preferred for things like house prices and salaries, where a few very large values would otherwise distort the picture. Understanding when to trust the mean versus the median is a genuinely useful statistical skill.
When the mode is useful
The mode shines with categorical or repeated data, where you care about the most common value rather than a numerical average. The most popular shoe size, the most frequent survey response, or the most common score all call for the mode. A data set can have one mode, several modes, or none if every value is unique, and the tool reports this rather than forcing a single answer.
Common uses
Students use it for statistics coursework. Teachers summarise class scores. Analysts describe data sets quickly. Anyone with a list of numbers, from test results to measurements to prices, can use it to understand what is typical and how the values cluster. Seeing the three averages side by side also reveals whether data is skewed, since a large gap between mean and median signals that extreme values are pulling the mean.
Tips and related tools
Enter values separated by commas; the tool ignores anything that is not a number, so minor formatting will not break it. For percentage calculations on your data see the Percentage Calculator, and for more advanced expressions the Scientific Calculator. All computation happens in your browser.