# Matrix Calculator

> Matrix calculator: compute determinant, inverse, transpose, rank, and products for 2x2 to 4x4 matrices with clear instant results. Free, private, no signup.

- **Canonical URL:** https://boringtoolskit.com/matrix-calculator/
- **Category:** Everyday Calculators
- **Evidence level:** authored-methodology
- **Reviewed:** August 2026
- **Last verified:** 2026-10-12
- **Privacy:** Inputs and results stay in this browser unless the page clearly labels an external request.

## How it works

Matrix addition/subtraction is element-wise; multiplication sums products across rows of A and columns of B.

## Sources

- [Calculation methodology and verification standard](/methodology/)

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