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Matrix Multiplication Calculator

Math
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Calculates the product of two compatible matrices.

How To Use

How to use this calculator

Start with your values, or try a preset.

Step 1

Enter Rows in Matrix A, Columns in Matrix A / Rows in Matrix B, and Columns in Matrix B in the units shown.

Step 2

Read Columns in Matrix C (Result), Rows in Matrix C (Result), Matrix B Size, Matrix A Size, and Matrix C Size in the results panel. Results update as you change the inputs.

Step 3

Choose a preset to load an example, then adjust the values for your situation.

Worked Examples

Example calculations

See the inputs and their calculated results.

2x2 * 2x2

Rows in Matrix A: 2; Columns in Matrix A / Rows in Matrix B: 2; Columns in Matrix B: 2

Columns in Matrix C (Result): 2; Rows in Matrix C (Result): 2; Matrix B Size: 4; Matrix A Size: 4; Matrix C Size: 4

3x2 * 2x1

Rows in Matrix A: 3; Columns in Matrix A / Rows in Matrix B: 2; Columns in Matrix B: 1

Columns in Matrix C (Result): 1; Rows in Matrix C (Result): 3; Matrix B Size: 2; Matrix A Size: 6; Matrix C Size: 3

1x3 * 3x3

Rows in Matrix A: 1; Columns in Matrix A / Rows in Matrix B: 3; Columns in Matrix B: 3

Columns in Matrix C (Result): 3; Rows in Matrix C (Result): 1; Matrix B Size: 9; Matrix A Size: 3; Matrix C Size: 3

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