Mean Calculator
Calculate the arithmetic mean of a list of numbers.
Mean0
Count1
Worth Knowing
The arithmetic mean is the familiar average — sum divided by count — and it's the right measure when data is roughly symmetric. Its weakness is sensitivity to outliers: a single very large or very small value drags the mean toward it, which is why average income can sit well above what most people earn. When a data set is skewed or contains extremes, the median often describes the 'typical' value more honestly than the mean does.
How to Use
- Enter Numbers (comma or space separated) into the Mean Calculator above.
- Your result appears instantly as you type — there's no submit button or page reload.