Matrix Determinant Calculator

Find the determinant of a square matrix of any size by row reduction.

One row per line; separate entries with spaces or commas.
Decimals, fractions and negatives work.
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Result
Result (rows separated by |)
Size
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Work

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Matrix Determinant

Type each row on its own line, with entries separated by spaces or commas.

2×2: ad − bc; larger: row-reduce and multiply the pivots

Worked Example

Tips

Results are rounded to 6 significant figures for display. Matrices up to about 10×10 work comfortably.