Mathlean · Online math workspace
Kurtosis calculator
Evaluate the standardized fourth central moment of data.
How to use this calculator
Replace the list; the example returns Pearson kurtosis 1.7.
Tap the math below to edit it and see the result. Once a result is ready, press Tab on a hardware keyboard to accept it. Outside a matrix, Return completes the line; the phone math keyboard has the same Return action.
Try it here
Interactive tools require JavaScript. You can read the guide and example without it.
What to know
This is kurtosis, not excess kurtosis: subtract 3 only when you specifically want the excess convention.
Mathlean combines visual mathematical input with computation and canvas tools. Results depend on the expression and available engine support; check important answers independently.