Cannabis Grow Room Layout Calculator

Plant count from canopy area and training method.

Room length (ft)

Room width (ft)

Training method (0-3)

Walkway allowance (%)

Row spacing (in)

Tab to move between fields

Max plant count

112

Canopy area (sq ft)225

Total floor (sq ft)300

Walkway area (sq ft)75

Number of rows5

Plants per row14

Light fixtures needed15

Sq ft per plant2

How to Use This Calculator

Enter room length and width in feet.
Select training method (no training, LST/SCROG, SOG, or mainline) — this sets spacing per plant.
Set walkway allowance (%) and row spacing (inches).
Review Max Plant Count, Canopy Area (sq ft), Number of Rows, and Light Fixtures Needed.

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