MDETERM Function in Excel: Determinant of a Matrix

⏱ 1 min readUpdated 28 September 2026

MathLevel: ExpertAvailable in: Excel 2007+

In this article
  1. Syntax
  2. Examples
  3. Example 1
  4. Related functions

MDETERM returns the determinant. Zero means the equations have no unique solution.

Syntax

=MDETERM(array)
Argument What it means
array Square range.

Examples

Example 1

=MDETERM({2,3;1,-1})

Returns −5.

MINVERSE

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