How Many Led Can Lights Per Square Foot

If you re unsure of how many lights the room needs there s a calculator on this page that will help.

How many led can lights per square foot.

If the lights will be installed in a ceiling taller than 16 feet you may also want to use par type light bulbs. To figure out how many lights you need to achieve this level of lighting you must complete an equation for lumens. They have a tighter beam control which will get more of the light down from the ceiling to the surface plane. Industrial spaces often require more lumens per square foot because of the complicated potentially dangerous nature of work being performed.

This lumen calculation formula is using predefined standard lux levels required for different room types. You can use illumination units of lux or foot candles. Obviously this calculator does not cover all of the possible room shapes or all of the. Commercial spaces like retail stores can utilize many of the same light types but they may not require the same number.

Lumens lux area. 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. 1 1 see pdf and complete foot candle index. Once you know how many lights a room needs you can use this placement calculator to create a reflected ceiling plan.

This gives you the total required wattage for the space. We use the following equation. Use the recessed lighting calculator on this page to calculate the placement and spacing for general lighting in a room. To use the formula you need the square footage of the room the lumens per fixture the co efficient of usage and finally the light loss.

Result may defer according to spacing layout of led lights and position from wall. Just select the layout enter the room s dimensions and hit calculate. Summary for the average space of 250 square feet you ll need roughly 5 000 lumens as your primary light source 20 lumens x 250 square feet. The industry standard for general lighting in a room is 70 foot candles per square foot.

If you want to recalculate between these units remember that one foot candle equals 10 764 lux. A 100 square foot dining room which needs 30 40 foot candles will need 3 000 4 000 lumens. 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. For general lighting purposes you ll want to provide 1 5 watts of lighting per square foot of space in the room.

Multiply by that 1 5 to get the number of watts needed for that space. In these spaces you ll want to look for shop lights wraparound lights led troffers and high bay lights that have higher output.