# How many watts do LED grow lights use?

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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).

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

A good rule-of-thumb for LED grow lights is 32 watts of actual wattage per square foot of growing space for flowering medical or other large flowering plants.

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

As such, it could provide solid coverage for up to 4 plants. Yield Lab 1000W HPS+MH Cool Hood Reflector Grow Light Kit (Price: \$239.95) — With a 1000w grow light, you’ll get 130,000 lumens from an HPS bulb and 110,000 lumens from an MH bulb. That’s sufficient to provide coverage for up to 6 plants.

## 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.

## Is a 1000W LED Grow Light good?

Summary. The Likesuns 1000W LED grow light provides your plants with the necessary lights they need for growth and development. It has a very long lifespan to let you maintain an indoor garden for many years without the need to replace your lighting system.

## How many watts LED 4 plants?

Assume about 32 watts/sq ft (actual LED wattage) for flowering.

Recommended assuming 4.0 sq ft/plant.

# of Plants Square Feet Wattage from Wall
1 4 120 to 140 watts
2 8 240 to 300 watts
4 16 500 to 650 watts
6 24 700 to 860 watts

## How many watts do I need for grow lights?

As a rule of thumb, aim for 20 to 40 watts per square foot. Divide the wattage of your bulb by 20 (such as 400 watts divided by 20 = 20), and then divide the wattage of your bulb by 40 (400 divided by 40 = 10).

## What size LED grow light do I need?

Standard advice says you should aim for 32-50 watts per square foot of grow space. More like 25 watts if your grow space is a dedicated veg tent. So if you were working with a 3′ x 3′ space, you’d theoretically want an LED light with a power draw somewhere between 225 watts (vegetative) and 450 watts (flowering).

## How much does it cost to run a 1000 watt LED grow light?

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.

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## How many plants can I grow under a 600 watt 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.

## How many watts does a 300 watt LED grow light use?

In actuality, this light is equivalent to 200 watts of HID power and uses somewhere around 130 watts. Meizhi does not provide the wattage draw of this light, for some reason.

## Are LED lights good for growing?

Just like fluorescent and incandescent bulbs, LED bulbs produce light that is needed by plants. … You can get good growth with just one or the other of the color waves, but utilizing both will result in bigger yields and healthier plants with quicker growth.

## Can normal LED lights grow plants?

Can a regular light bulb help plants grow? Yes, as long as it delivers enough PAR light to your plants. LED lights are great because they’re energy-efficient, emit little heat, and last for years. However, it’s probably best to get a horticultural light for plants with high light requirements.

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