Grow Light Electricity Calculator

Grow Light Electricity Calculator

Calculate electricity costs and efficiency for your indoor growing setup

Watts
Hours
$/kWh

600W HPS

Standard for flowering

1000W HPS

High intensity flowering

400W MH

Good for vegetative growth

240W LED

Energy efficient option

320W LED

Mid-range LED panel

125W CFL

Budget seedling/clone option

Choosing the Right Wattage

For optimal growth, aim for these wattage densities:

  • Seedlings/Clones: 20-40W/m²
  • Vegetative Growth: 40-80W/m²
  • Flowering: 80-150W/m²

LED lights can typically provide the same growth with 30-40% less wattage than HPS/MH.

Electricity Usage Results

Daily Electricity Usage
0 kWh
Monthly Electricity Usage
0 kWh
Daily Cost
$0.00
Monthly Cost
$0.00
Yearly Cost
$0.00
Wattage per Square Meter
0 W/m²
Efficiency Rating
N/A