General Spacing Calculation · For rooms with an area of 10-20 square meters, the luminaire spacing can be set at 1.5-2.5 meters. · For rooms with an area of 20-30 square meters, the luminaire spacing can be set at 2-3 meters. · For rooms larger than 30 square meters, the luminaire spacing can be set at 2.5-3.5 meters.