Matrix Multiplication Calculator

Multiply matrices step by step

The calculator will find the product of two matrices (if possible), with steps shown. It multiplies matrices of any size up to 10x10 (2x2, 3x3, 4x4 etc.).

Related calculator: Matrix Calculator

$$$\times$$$
A
$$$\times$$$
A

If the calculator didn't work as expected, or you'd like to report an error or share feedback, please contact us.

Your Input

Calculate $$$\left[\begin{array}{ccc}4 & 5 & 7\\2 & 1 & 0\end{array}\right]\cdot \left[\begin{array}{cc}2 & 3\\8 & 9\\1 & 1\end{array}\right].$$$

Solution

$$$\left[\begin{array}{ccc}{\color{Blue}4} & {\color{Crimson}5} & {\color{OrangeRed}7}\\{\color{BlueViolet}2} & {\color{Chartreuse}1} & {\color{GoldenRod}0}\end{array}\right]\cdot \left[\begin{array}{cc}{\color{DarkBlue}2} & {\color{Chocolate}3}\\{\color{Violet}8} & {\color{Magenta}9}\\{\color{Chartreuse}1} & {\color{Red}1}\end{array}\right] = \left[\begin{array}{cc}{\color{Blue}\left(4\right)}\cdot {\color{DarkBlue}\left(2\right)} + {\color{Crimson}\left(5\right)}\cdot {\color{Violet}\left(8\right)} + {\color{OrangeRed}\left(7\right)}\cdot {\color{Chartreuse}\left(1\right)} & {\color{Blue}\left(4\right)}\cdot {\color{Chocolate}\left(3\right)} + {\color{Crimson}\left(5\right)}\cdot {\color{Magenta}\left(9\right)} + {\color{OrangeRed}\left(7\right)}\cdot {\color{Red}\left(1\right)}\\{\color{BlueViolet}\left(2\right)}\cdot {\color{DarkBlue}\left(2\right)} + {\color{Chartreuse}\left(1\right)}\cdot {\color{Violet}\left(8\right)} + {\color{GoldenRod}\left(0\right)}\cdot {\color{Chartreuse}\left(1\right)} & {\color{BlueViolet}\left(2\right)}\cdot {\color{Chocolate}\left(3\right)} + {\color{Chartreuse}\left(1\right)}\cdot {\color{Magenta}\left(9\right)} + {\color{GoldenRod}\left(0\right)}\cdot {\color{Red}\left(1\right)}\end{array}\right] = \left[\begin{array}{cc}55 & 64\\12 & 15\end{array}\right]$$$

Answer

$$$\left[\begin{array}{ccc}4 & 5 & 7\\2 & 1 & 0\end{array}\right]\cdot \left[\begin{array}{cc}2 & 3\\8 & 9\\1 & 1\end{array}\right] = \left[\begin{array}{cc}55 & 64\\12 & 15\end{array}\right]$$$A