Recessed Lighting Per Square Foot
Once you know how many lights are needed you can decide on a layout and calculate their placement.
Recessed lighting per square foot. Simply select one of the options from the list and our lighting calculator will automatically determine the optimal level of illumination in lux or foot candles that is how much. The recessed light in the center its dimensions will be vertically 15 2 7 5 feet horizontal 10 2 5 feet. Multiply by that 1 5 to get the number of watts needed for that space. Multiply the square footage of the area by 1 5 which is the number of watts per square foot that the average residential space requires.
How many lumens per square foot do i need. In these spaces you ll want to look for shop lights wraparound lights led troffers and high bay lights that have higher output. Determining how many recessed lights a room needs is one of the first steps when planning the lighting for a room. Use the recessed lighting calculator on this page to calculate the placement and spacing for general lighting in a room.
The required total wattage will be 150 2 300 watts 2 is the average wattage per foot square. Please choose proper unit of your room area to help us count led lights lux and watts calculation required per square foot meter inch. If you re unsure of how many lights the room needs there s a calculator on this page that will help. You can use the calculator on this page to get an idea of how many lights a room will need.
This lumen calculation formula is using predefined standard lux levels required for different room types. So to get the number of lights you ll need in the room first measure to get the room s square footage. Industrial spaces often require more lumens per square foot because of the complicated potentially dangerous nature of work being performed. For general lighting purposes you ll want to provide 1 5 watts of lighting per square foot of space in the room.
5 recessed lights placement locations. In the first step of your calculations you need to choose the type of area and activity that you want to illuminate. The below figure shows the placement locations. Just select the layout enter the room s dimensions and hit calculate.
Commercial spaces like retail stores can utilize many of the same light types but they may not require the same number.