Matrix Calculator
Determinant, inverse, transpose, RREF, rank, powers, and A+B, A−B, A×B for matrices up to 6×6, with fractions. Free, no sign-up, and it runs in your browser — your files are never uploaded.
How to use
- Set the sizes and fill in matrix A (and B)
- Pick an operation
- Read the result as fractions or decimals, or reuse it as A
Questions
Do I need an account?
No. Every tool is free to use without signing up.
Is my data uploaded?
No. This tool runs in your browser, so the text and files you use stay on your device.
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