Scientific
Matrix Calculator
Add, subtract and multiply 2×2 and 3×3 matrices step by step.
How this matrix calculator works
The matrix calculator takes the numbers you enter and applies a standard formula for this kind of calculation, showing the result instantly with no page reload. Add, subtract and multiply 2×2 and 3×3 matrices step by step.
Everything runs client-side in JavaScript, so your inputs never leave your device — there's no server, no account and no tracking involved in getting your answer.
Frequently asked questions
This tool multiplies square matrices of matching size (2×2 or 3×3). For matrix multiplication in general, the number of columns in A must equal the number of rows in B.