How Many Can Lights Do I Need Per Square Foot?
How Many Can Lights Do I Need Per Square Foot? Formula for an approximate result, divide the area value by 2.788e+7 How many can lights for a 12×12 room? The typical rule-of-thumb is 24′′ from each wall, and then 3-5 feet between cans. So in a 12′ room you’d probably want two rows of lights.