Can Lights Per Square Foot

X 10 20 foot candles 1 000 to 2 000 lumens.

Can lights per square foot.

In the first step of your calculations you need to choose the type of area and activity that you want to illuminate. Multiply the square footage of the area by 1 5 which is the number. So to get the number of lights you ll need in the room first measure to get the room s square footage. For general lighting purposes you ll want to provide 1 5 watts of lighting per square foot of space in the room.

Multiply the area by 1 5. Multiply the width by the depth to obtain the square footage of the area. If you re unsure of how many lights the room needs there s a calculator on this page that will help. To determine coverage in square feet with general lighting the basic rule is to multiply the mounting height in feet by four.

If your room is 17 feet wide and 20 feet long the total area is 340 square feet. Once you know how many lights a room needs you can use this placement calculator to create a reflected ceiling plan. Just select the layout enter the room s dimensions and hit calculate. If the a ceiling height is more than 16 feet you can use brighter lights since the area will need more amount of light.

Multiply 340 by 1 5 and you ll get 510 so you ll need 510 watts of total light to efficiently light your room. They have a tighter beam control which will get more of the light down from the ceiling to the surface plane. Measure the size of the space that you intend to light. Use the recessed lighting calculator on this page to calculate the placement and spacing for general lighting in a room.

This is the total wattage you ll need to light the room. For general lighting to simplify you can use one light ft it will usually be sufficient to light the area. How many lumens per square foot do i need. Multiply your room square footage by your foot candle requirement.

Multiply by that 1 5 to get the number of watts needed for that space. If the lights will be installed in a ceiling taller than 16 feet you may also want to use par type light bulbs. The required total wattage will be 150 2 300 watts 2 is the average wattage per foot square if you plan to use 60 watt traditional bulbs you will need five 60 watt bulbs let calculate the exact placement locations. 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.

Once you ve measured the room and calculated the required foot candles it s time to determine how many lumens a space needs. For example a single downlight on a 10 foot high ceiling can cover about 40 square feet of space on the floor.