Grow lights calculator – Estimate the ideal power for your tent

Calculate the ideal lighting power for your crops

Wondering how many LED watts are needed to properly light your indoor grow space? With our grow lights calculator, you can quickly estimate the recommended power based on the surface area of your grow tent or closet (in cm). This simulator also provides an estimate of the ideal PPF (Photosynthetic Photon Flux) for optimal growth of your vegetable, aromatic, or ornamental plants.

Whether you are growing tomatoes, strawberries, lettuce, peppers or indoor plants, good lighting is essential to stimulate photosynthesis and ensure healthy, vigorous production. Simply enter the dimensions of your space below to get an accurate recommendation.