Home/Matrix Determinant CalculatorCalculatorsShareMatrix Determinant CalculatorCalculate the determinant of any square matrix with full step-by-step Gaussian Elimination. Free online matrix determinant calculator — instant results.Matrix Size (Square Matrix):2x23x34x45x53x3Quick Examples:2x2 Simple3x3 Example3x3 IdentityEnter Matrix Values:CalculateLeave Feedback