The Best How Many Can Lights In A 10X10 Kitchen References. Here’s a simple way to figure out how many recessed lights are needed based. Web total wattage divided by 60 watts (or whichever wattage you select) = total amount of recessed can lights.

Multiply the length by the width to calculate your kitchen’s square. Web how many recessed lights do you need in a room? Multiply the lux by the area.