The average LED grow light draws about 32 watts to cover 1 sq ft for flowering. Compare this to a typical HID fixture which rings in at 40 watts per square foot (assuming a 5′ x 5′ area, or 25 sq ft coverage area). Using an HID in a 4′ x 4′ will bring the power coverage up to 62.5 watts per sq ft.

## What is the best wattage for LED grow lights?

As a rule, you want 20 to 40 watts per square foot. Divide the wattage of your bulb by 20 (such as 1,000 divided 20 = 50), then divide the wattage of your bulb by 40 (1,000 divided by 40 = 25). The answer gives you the extremes of your light intensity range.

## How many plants can I grow with a 300W LED light?

So 300W can coverage about 2*3ft area, in general, each cannabis plant you grow requires at least 1sq ft of space. So under 300W, you can grow about 1-6 plants.

## How many plants can a 1000w LED light grow?

How Many Plants Can I Grow?

Grow Space Size | Minimum Number of Watts Required | Number of Plants You Can Grow |
---|---|---|

9 sq ft (3×3) | 450w | 1-9 plants* |

12 sq ft (3×4) | 600w | 1-12 plants* |

16 sq ft (4×4) | 800w | 1-16 plants* |

20 sq ft (4×5) | 1000w | 1-20 plants* |

## How much electricity does a 1000w LED light use?

You need to divide your wattage by 1,000 (1,000 kilowats in 1 watt). So, if we were to run a 1000 watt grow light 18 hours a day with the kWh rate we gave earlier, our formula would be: 1 x $0.1559 x 18 x 30 = $84.186/month.

## What size LED light do I need for a 4×4 grow tent?

For a 4×4 tent, you should have a grow light having an actual wattage range of 500-600 watts (assuming flowering plants which require a lot of light and are congregated in a single area.

## What size LED light for 3×3 grow tent?

The smallest number of watts needed to grow cannabis in a 3×3 foot grow tent is 40 watts per plant, although the best grow lights use at least 200 watts for the whole tent.

## How many plants can I grow with a 600w LED light?

2 month plants should give about 40g per plant, so with about 9 you’ll be able to easily fill a square meter and get up to 400g per 600w light. 3 month autoflowering plants grow much bigger, however, so you should only plant 4 per 600w light.

## What is a 300 watt LED grow light equivalent to?

Meizhi 300 LED Horticultural Light

Meizhi is a Chinese brand, so obviously the 300w label is pretty ridiculous. That is something Chinese brands always do. In actuality, this light is equivalent to 200 watts of HID power and uses somewhere around 130 watts.

## What size LED light for 2×2 grow tent?

3. California Light Works SolarXtreme 250 LED Grow Light

So a 2′ x 2′ tent or a 3′ x 3′ tent is a great fit with this light. Given its full spectrum capacity, it’s a light you can use for vegetation through flowering.

## How many lights do I need for 12 plants?

the general rule of thumb is 25-50 watts of light per square foot, you have 100 sf, so you need 2500-5000 watts of light. Check out the led forums here, they seem to be the way to go, especially if heat is an issue.

## How much area does a 1000 watt LED grow light cover?

A 1000 watt grow light can light up an area of about 7 feet square when the light is suspended 2 feet above the plants. A 400 watt light would work for an area of about 4 feet square.

## How much does a 1000 watt LED yield?

A 1000 watt light, on average, will produce more than its 500-watt counterpart. As a basic rule of thumb, you can use the tried-and-true baseline of . 5 to 1 gram per watt of light.

## How much does it cost to run 1000 watts per hour?

Appliance Electricity Usage

Appliance | Typical Consumption Per Hour | Cost Per Hour (at 10 cents per kilowatt-hour) |
---|---|---|

Hair dryer | 1,200 watts | 12 cents |

Electric range burner | 1,000 watts | 10 cents |

Refrigerator | 1,000 watts | 10 cents |

Desktop computer and monitor | 400 watts | 4 cents |

## How much does 1000W cost per hour?

Electric Heating Electricity Cost Calculator

Power Rating | Per Hour | Per Day* |
---|---|---|

1000W (1kW) | 18.54p 1000W | £1.11 6kWh |

1200W (1.2kW) | 22.25p 1200W | £1.33 7.2kWh |

1500W (1.5kW) | 27.81p 1500W | £1.67 9kWh |

2000W (2kW) | 37.08p 2000W | £2.22 12kWh |

## How much would a 1000 watts cost a month?

Grow Light Operating Cost

1000 watt Sodium | 1000 watt Halide | |
---|---|---|

Cost per Month | $52.80 | $51.84 |

Initial Lumens | 130000 | 110000 |

Mean Lumens | 126000 | 88000 |

Mean Lumens per Watt | 114 | 81 |