Mean, median, and mode calculator
Separate values with commas, spaces, or new lines. Any mix works.
Mean is the arithmetic average, median is the middle value, and mode is the most frequent value. When every value appears once, the data set has no mode.
Show the step-by-step calculation
Mean Median Mode Calculator
The three classic measures of center, computed instantly from your numbers with the working shown.
Mean, median, and mode each describe the center of a data set in a different way. The mean adds everything up and divides by the count. The median is the middle value once the numbers are sorted, so it resists outliers. The mode is the value that appears most often. This calculator shows all three first, followed by count, sum, minimum, maximum, range, and both standard deviations from the same engine that powers the rest of the site.
Mode handling is exact: if several values tie for the highest frequency, every one of them is listed, and if all your values are unique the result honestly says there is no mode. For spread rather than center, head to the standard deviation solver or thevariance calculator. The step-by-step section below the results expands the mean and the full variance calculation for your exact numbers.
Everything is computed locally in your browser with plain JavaScript. Nothing you paste is uploaded, stored, or logged, and the tool is completely free.