Matrix Calculator
Matrix calculator: determinant, inverse, transpose, rank, RREF, A+B, A−B and A×B for matrices of any size.
How to use the Matrix Calculator
- Enter or select: Matrix A (rows on separate lines), Operation.
- Fill in what you know of: Matrix B (for A+B, A−B, A×B) — leave the unknown empty.
- The results (Result) are calculated instantly as you type.
- Use “Copy link” to share the calculation with the same input values.
Formula
- det(A), A⁻¹ = adj(A)/det(A)
- (AB)ᵢⱼ = Σₖ AᵢₖBₖⱼ
About this tool
Separate numbers with spaces or commas and rows with new lines or semicolons (e.g. 1 2; 3 4).