Room area–m²
Net mounting height–m
Room index–k
Utilisation factor–UF
Calculated luminaires–No.
Selected luminaires–No.
Layout–columns × rows
Spacing–length × width
Achieved illumination–lux
Important: This tool is a preliminary lighting-planning aid derived from the supplied workbook. Verify photometric data, maintenance and utilisation factors, uniformity, glare, emergency-lighting requirements and applicable standards using manufacturer files and a suitable lighting design package before construction.