How Many Recessed Lights Per Square Foot

So to get the number of lights you ll need in the room first measure to get the room s square footage.

How many recessed lights per square foot. Determining how many recessed lights a room needs is one of the first steps when planning the lighting for a room. How many lumens per square foot do i need. For instance an 8 foot wall would require lights to be mounted 2 feet out from the wall. Please choose proper unit of your room area to help us count led lights lux and watts calculation required per square foot meter inch.

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. Industrial spaces often require more lumens per square foot because of the complicated potentially dangerous nature of work being performed. And the wall is the same as the distance between the last one and the other wall in the horizontal rows 5 2 2 5 feet.

Result may defer according to spacing layout of led lights and position from wall. Commercial spaces like retail stores can utilize many of the same light types but they may not require the same number. If a room has an 8 foot ceiling you should space your recessed lights approximately 4 feet apart. In these spaces you ll want to look for shop lights wraparound lights led troffers and high bay lights that have higher output.

If the ceiling is 10 feet you ll want to put about 5 feet of space in between each fixture. Tip always use at least two recessed lights even if the calculation calls for only one and choose bulbs. For general lighting purposes you ll want to provide 1 5 watts of lighting per square foot of space in the room. The required total wattage will be 150 2 300 watts 2 is the average wattage per foot square.

This lumen calculation formula is using predefined standard lux levels required for different room types. You can use the calculator on this page to get an idea of how many lights a room will need. To determine how far apart to space your recessed lights divide the height of the ceiling by two.