Matrix Calculators
Build a matrix of any size up to 15×15, fill it in, and get the result instantly. Pick a calculator below.
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Matrix Addition Calculator
A free online matrix addition calculator — build two matrices of matching size, fill them in (or use Fill to set every cell at once), and add them instantly. Works with any size from 1×1 up to 15×15.
Open Addition CalculatorMatrix Subtraction Calculator
A free online matrix subtraction calculator — build two matrices of matching size, fill them in (or use Fill to set every cell at once), and subtract them instantly. Works with any size from 1×1 up to 15×15.
Open Subtraction CalculatorMatrix Multiplication Calculator
A free online matrix multiplication calculator — build an m×k matrix and a k×n matrix, fill them in, and multiply them instantly. Works with any size from 1×1 up to 15×15, including non-square matrices and fractional entries.
Open Multiplication CalculatorMatrix Scalar Multiplication Calculator
A free online scalar multiplication calculator — build a matrix, enter a scalar value, and multiply every entry by it instantly. Works with any size from 1×1 up to 15×15.
Open Scalar Multiplication CalculatorMatrix Transpose Calculator
A free online matrix transpose calculator — build a matrix and flip it over its diagonal instantly. Works with any size from 1×1 up to 15×15, including non-square matrices.
Open Transpose CalculatorMatrix Trace Calculator
A free online matrix trace calculator — build a square matrix and add up its main diagonal instantly. Works with any size from 1×1 up to 15×15.
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