Matrix Calculator

Add, subtract, and multiply 2×2 or 3×3 matrices.

Matrix Calculator

Fill in the fields below to calculate

Size:

Matrix A

Matrix B

Matrix B not used

Enter your values above and tap Calculate to see the result.

Your Results

Matrix Quick Reference

Add/Subtract: element-wise, same size
Multiply: (m×n) × (n×p) → (m×p)
Transpose: rows become columns
Determinant: scalar; square matrices only
Inverse: A⁻¹ exists iff det(A) ≠ 0

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Pro Tips

Results update as you type — change any field to see the effect immediately.

Check that every value uses the same unit before comparing results.

Use the copy button to paste the matrix figures into a note or spreadsheet.

Nothing is sent to a server, so you can use this with private figures.