HarvestSupplies.co
Free layout tool

Cannabis Drying Room Size Calculator

Translate rack count into a realistic room-planning number with aisles and fixed equipment included.

Room footprintRack layoutAisle allowance
Room planning

Drying room size calculator

Estimate the floor area needed for a rack-based drying layout. Enter your planned rack count and footprint, then add realistic aisle/working-space and fixed-equipment allowances.

—planning floor area
—rough room dimensions
—rack footprint only

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Why rack footprint is not room size

Eight 2×3-foot racks occupy 48 square feet on paper. The real room needs space around them, a path from the door, working clearance, and room for environmental equipment or a table. That is what the allowance fields are designed to expose.

Before you lock the room size

CheckWhy
Door swing and egressA layout should not depend on blocking a door or required access path.
HVAC / dehumidification clearanceEquipment may have manufacturer-required service and airflow clearances.
Electrical panelsMaintain required access and clearance.
Loaded cart pathMeasure the widest cart/rack, not just a person walking sideways.
Cleaning accessA rack that technically fits but cannot be moved or cleaned around is not a good fit.
This is a floor-layout estimator only. It does not engineer ventilation, dehumidification, electrical, fire/life-safety or code compliance.

Frequently asked questions

Does this calculate HVAC or dehumidifier size?

No. It estimates floor-space planning for racks/working clearance. Environmental equipment sizing should follow manufacturer guidance and, for larger installations, qualified HVAC/environmental-design input.

Why is an aisle factor included?

Racks cannot occupy 100% of the room. People, carts, doors and equipment need working clearance.

Can I use this for hanging instead of racks?

You can use it as a rough floor-space planner if you enter the footprint of your hanging modules, but hanging layouts may need different clearances.