How to calculate the number of LED grow lights that I need in my growing area?

I am a newbie in indoor growing. I have a 4'x4' grow tent, how many grow lights do I need?

To determine the ideal number of LED lights for your plants, one method is to use the suggested wattage per square foot. For instance, during the vegetative stage, most plants need 30 to 50 watts of light per square foot, and during the flowering stage, 50 to 70 watts per square foot.

So it’s quite simple to calculate how many LEDs you need, just divide the total wattage needed by the wattage of each LED grow light. For instance, two LED grow lights would be needed to meet your lighting requirements if you were growing in a 4’x4′ tent and needed 240 watts of light during the flowering period.

MORE: Why Farmers Around the World Are Updating to LED Grow Lights?

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