Lighting Brightness Calculator

Estimate lighting for living rooms, bedrooms, kitchens, and study spaces.

This is a reference based on common recommended illuminance. For exact lighting, consult a lighting professional.

Room area (m²) Room type Lumens per fixture

GUIDE

How to use it

Calculate required lumens and fixture count from room area and recommended lux.

Measurement error, product specifications, installation method, and safety requirements can change the real quantity or recommended value.

Does this replace professional advice?

No. Work involving structure, electrical systems, HVAC, waterproofing, or loads should be checked by a professional.