To work out the determinant of a 3×3 matrix: Multiply a by the determinant of the 2×2 matrix that is not in a 's row or column. As a formula (remember the vertical bars || mean "determinant of"): …

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 …

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, …

Here you can calculate a determinant of a matrix with complex numbers online for free with a very detailed solution.

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.

Calculate the determinant of any square matrix (1x1, 2x2, 3x3, NxN) with step-by-step solutions using cofactor expansion.

Calculate matrix determinants easily with our interactive calculator. Supports 2x2, 3x3, and 4x4 matrices with step-by-step visualization.

Calculate matrix determinants instantly with our free online calculator. Support for 2x2, 3x3, and 4x4 matrices with step-by-step solutions for linear algebra.