Lumens and watts needed for the plant's light level.
The chosen light tier sets a foot-candle target, which is multiplied by the floor area and divided by fixture efficiency. Sun-loving plants stretch and pale in shadow, so matching intense light to the right plants keeps them unrugged.
Plant Light
Lumens = area x foot-candles; LED watts = lumens / 90
Lumens = area x foot-candles; LED watts = lumens / 90 The chosen light tier sets a foot-candle target, which is multiplied by the floor area and divided by fixture efficiency.
Sun-loving plants stretch and pale in shadow, so matching intense light to the right plants keeps them unrugged.
This calculator takes 2 inputs: Light level, Area to cover. The pre-filled defaults are a realistic starting point — replace them with figures from your own environment for a result you can act on.