Mathlean · Online math workspace

Sample covariance calculator

Measure how two paired data sequences vary together.

How to use this calculator

Edit the two equal-length lists. For [1,2,3] and [2,4,6], sample covariance is 2.

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

Covariance⁡([1,2,3],[2,4,6])\operatorname{Covariance}\left([1,2,3],[2,4,6]\right)

Interactive tools require JavaScript. You can read the guide and example without it.

What to know

Pairs must correspond observation by observation. This uses n−1 and depends on the measurement units.

Mathlean combines visual mathematical input with computation and canvas tools. Results depend on the expression and available engine support; check important answers independently.

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