Matrix Calculator

Matrix operations for students and engineers. Type the matrices with one row per line and pick an operation.

Runs in your browser. Nothing is uploaded Free, no sign-up Works on mobile
Matrix AOne row per line, values separated by spaces
Matrix B
Result
         5          7          7
        -3          7          4
         7          2          2

How to use Matrix Calculator

  1. Type matrix A with one row per line and values separated by spaces.
  2. Type matrix B if the operation needs it.
  3. Choose the operation to see the result.

Frequently asked questions

When can two matrices be multiplied?

A × B is defined when the number of columns of A equals the number of rows of B. The result has A’s rows and B’s columns.

When does a matrix have no inverse?

A square matrix has no inverse when its determinant is 0. Such a matrix is called singular.