Indoor Lighting

Illuminance per room, number of fixtures by luminous flux, and LED vs. fluorescent comparison.

Room area (sq m)

Target illuminance (lux) 150 lux (bedrooms, living rooms) 300 lux (kitchen, utility area) 500 lux (office, study) 750 lux (workshop, workbench)

Reference values (NBR ISO/CIE 8995). Adjust according to the applicable standard.

Fixture luminous flux (lm)

Utilization factor

Maintenance factor

Calculate

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