Fixture Count Estimator

Estimate the number of fixtures needed to light an area to a specified light level.
Note:Do not use this tool for a final layout, it is simply an estimator. Contact a lighting professional or design firm for proper design.

Enter the following information and click "calculate."

Your results will display below.

* Required
 
* Square metre of area to be lit:     * Ballast factor (BF):    
* Desired lux:     * burning hours on per year:    
* Watts per fixture:     * Energy Rate($perKWh):   $
* Number of lamps per fixture:     * Coefficient of Utilization:    
* Rated mean lumen per lamp:    
  click to calculate
Results
Estimated number of fixtures needed:    
Estimated number of lamps needed:    
Estimated fixture spacing:    
Total power load:   kW
Energy cost per year:  
Watts per square metre:   watts