Matrix is an array of numbers arranged in rows and columns. 4x4 Multiplication can be done when m x n matrices have 4 rows and 4 columns. Usually it is performed by multiplying the first row of first matrix with the first column of second one. It is done element by element, similarly second row of first matrix has to be multiplied with the second column of second one and the operation should be repeated till last. Finally, each set of product is added to get the results. Use this online 4x4 Multiplication Matrix calculator to get the results in few fraction of seconds.