Matrix Inverse Calculator

Calculate the inverse of any square matrix up to 5x5.

Matrix Size

Enter Matrix A

Adjugate Matrix (adj A)

-24.00
18.00
5.00
20.00
-15.00
-4.00
-5.00
4.00
1.00

Determinant

1.000000

Matrix is invertible

Inverse Matrix (A^-1)

-24.0000
18.0000
5.0000
20.0000
-15.0000
-4.0000
-5.0000
4.0000
1.0000

Formula

A^-1 = (1/det(A)) * adj(A)

The inverse is calculated by multiplying the adjugate matrix by 1/determinant.

Properties of Inverse

  • A * A^-1 = I (identity matrix)
  • (AB)^-1 = B^-1 * A^-1
  • (A^-1)^-1 = A
  • (A^T)^-1 = (A^-1)^T
  • det(A^-1) = 1/det(A)