Matrix Inverse Calculator

Find the inverse of a square matrix with Gauss-Jordan elimination, or learn that it has none.

One row per line; separate entries with spaces or commas.
Decimals, fractions and negatives work.
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Matrix Inverse

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

2×2: A⁻¹ = (1 ÷ (ad − bc)) × [[d, −b], [−c, a]]; larger: Gauss-Jordan on [A | I]

Worked Example

Tips

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