Matrix Multiplication Calculator
Multiply two matrices and see the dot-product computation for each entry. The number of columns in A must equal the number of rows in B.
Matrix A
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Matrix B
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Result
Enter two matrices and click Multiply
How This Calculator Works
Enter two matrices of compatible dimensions. The calculator multiplies them using the standard row-by-column dot product algorithm and displays the resulting matrix in LaTeX notation.
Step-by-Step Dot Products
Every entry of the result matrix is broken down into its individual dot product computation, showing which row of A is paired with which column of B and how the sum is formed.
Any Size Matrices
Supports matrices from 1×1 up to 8×8. The only requirement is that the number of columns in A equals the number of rows in B. Use presets to quickly set common dimensions.