Cannabis Grow Room Cost Calculator
Estimate startup equipment, monthly electricity and supplies, and the total cost of a four-month indoor grow.
Configure Your Grow
Ready to Calculate?
Select your grow space and quality tier, then click "Calculate My Setup" to see your complete equipment list with real prices.
How much does a cannabis grow room cost?
A small 2x2 setup commonly starts around $250-$400, while a complete 4x4 room can run $600-$1,500 depending on light, ventilation, and controls. The calculator separates one-time equipment from electricity, nutrients, water, and pH supplies so a low sticker price does not hide the recurring cost.
Estimates use $0.15/kWh and a 4-month cycle. Product prices change; treat the result as a planning range, then verify current merchant prices before purchasing.
Remember: Check your local laws before growing. Home-cultivation limits vary by state and sometimes by locality.. Prices shown are estimates and may vary on Amazon.