Free Online matrix determinant calculator - calculate matrix determinant step-by-step

The calculator will find the determinant of the matrix (2x2, 3x3, 4x4 etc. ) using the cofactor expansion, with steps shown.

This page allows to find the determinant of a matrix using row reduction, expansion by minors, or Leibniz formula. Leave extra cells empty to enter non-square matrices. Drag-and-drop matrices from the …

Here you can calculate a determinant of a matrix with complex numbers online for free with a very detailed solution. Determinant is calculated by reducing a matrix to row echelon form and multiplying …

Wolfram|Alpha is the perfect resource to use for computing determinants of matrices. It can also calculate matrix products, rank, nullity, row reduction, diagonalization, eigenvalues, eigenvectors and …

Professional determinant calculator with step-by-step solutions for matrix calculations. Compute determinants for 2x2, 3x3, 4x4 and larger matrices instantly.

The matrix determinant calculator is your fast and easy way to get the determinant of any square matrix of size 2×2, 3×3, or 4×4.

Jan 27, 2026 · Calculate matrix determinants instantly with our free determinant calculator. Get step-by-step solutions for 2x2, 3x3, 4x4 matrices, cofactor expansion, and Laplace expansion. 100% free …

Free Online Determinant Calculator to compute matrix determinants for 2x2, 3x3, 4x4, and larger square matrices. Get step-by-step solutions using cofactor expansion, row reduction, and triangularization …

Matrix determinant calculator that shows work. Find determinant of a matrix step-by-step.