Lighting Design Calculator
Calculate luminaire quantities and layout grids using the Zonal Cavity Method. Select space categories, luminaire types, and room dimensions to get average lux levels, uniformity ratios, and lighting power density with compliance checking.
IESNA · EN 12464-1 · AS/NZS 1680
Design Parameters
Room Dimensions
Surface Reflectances & Maintenance
Results
Luminaires Required
25
Layout Grid
5 x 5
Average Lux
546 lx
Total Wattage
875 W
Min Lux
327 lx
Max Lux
764 lx
Uniformity Ratio
0.60
LPD
10.94 W/m²
Room Cavity Ratio
2.81
CU
0.546
Target Lux: PASS (546 >= 500 lx)
Uniformity: PASS (0.60 >= 0.60)