basic

Leaf Area Index Calculator

LAI = total leaf area / ground area.

Compute the leaf-area index (LAI) of a stand: LAI = total one-sided leaf area / ground area. Reports the LAI dimensionless value and a descriptive classification (sparse → very dense canopy).

Published Last reviewed 1 min read

Inputs

Results

Enter values and click Calculate to see results.
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How to use this calculator

  1. Fill in the inputs above using the units you already have.
  2. Values update automatically as you type — no submit button needed.
  3. Hover any result row for the underlying formula and intermediate values.

Formula

LAI = leaf_area_m2 / ground_area_m2

In depth

Compute the leaf-area index (LAI) of a stand: LAI = total one-sided leaf area / ground area. Reports the LAI dimensionless value and a descriptive classification (sparse → very dense canopy).