Matrix Calculator
Add, subtract, multiply matrices and compute determinant and inverse — for 2×2 and 3×3 matrices.
100% client-side · no upload
Matrix size:
Matrix A
Matrix B
How to use
- Choose 2×2 or 3×3 matrix size, then fill in the values for matrices A and B.
- Click an operation button: A + B, A − B, A × B, det(A), or A⁻¹.
- The result appears instantly. For the inverse, an error is shown if the matrix is singular (det = 0).
Related math tools
- Quadratic Equation Solver — solve polynomial equations
- Scientific Calculator — trig and advanced functions
- Fraction Calculator — work with rational numbers
Preguntas frecuentes
- Is this matrix calculator free?
- Yes, completely free with no signup and no usage limits.
- Does my data leave my device?
- No. All matrix operations run locally in your browser.
- Does it work on mobile?
- Yes. The layout adjusts for mobile screens and works on iPhone and Android.