Matrix Calculator
Perform matrix addition, multiplication, transpose, and determinant
Matrix Calculator is a free online tool from BrowserUtils that perform matrix addition, multiplication, transpose, and determinant. It runs entirely in your browser — your data never leaves your device. No account required.
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How to use Matrix Calculator
- 1 Paste or type your input into the editor above.
- 2 The tool processes your data instantly — right in your browser, with nothing sent to a server.
- 3 Copy the result with one click or continue editing your input.
About Matrix Calculator
Free online matrix calculator. Add, multiply, transpose matrices and calculate determinants for 2x2 and 3x3 matrices. This tool runs entirely in your browser — your data is never sent to a server. Just paste your input, get instant results, and copy with one click. No sign-up or installation required.
Matrix Calculator specs
- Runtime
- 100% client-side (browser)
- Cost
- Free — no account, no rate limits, no usage caps
- Browser support
- Chrome 90+, Firefox 88+, Safari 14+, Edge 90+
- Part of
- 299 developer tools on BrowserUtils (100% client-side)
Questions
How is matrix multiplication done?
Each element in the result is the dot product of a row from the first matrix and a column from the second. For an m×n and n×p matrix, the result is m×p.
What is a matrix determinant?
The determinant is a scalar value computed from a square matrix. For a 2x2 matrix [[a,b],[c,d]], it is ad−bc. A zero determinant means the matrix is singular (not invertible).
What matrix sizes does this calculator support?
This tool supports 2x2 and 3x3 matrices for all operations including addition, multiplication, transpose, and determinant calculations.
What is a matrix transpose?
A transpose flips a matrix over its diagonal, turning rows into columns. For a matrix A, the transpose A^T has element (i,j) equal to element (j,i) from the original.
Is the matrix calculator safe to use for homework or work?
Yes. All computations happen in your browser with no data stored or transmitted. The results are mathematically accurate for the supported matrix sizes.
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