Recessed Lights Per Square Foot

Commercial spaces like retail stores can utilize many of the same light types but they may not require the same number.

Recessed lights per square foot.

Distance between recessed lights in the horizontal rows 10 3 3 33 feet. To figure out how many lights you need to achieve this level of lighting you must complete an equation for lumens. If you re unsure of how many lights the room needs there s a calculator on this page that will help. 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.

Multiply the length times the width of the room to get the room square footage. Determine the foot candles by room type or room purpose. Obviously this calculator does not cover all of the possible room shapes or all of the. Please choose proper unit of your room area to help us count led lights lux and watts calculation required per square foot meter inch.

Once you know how many lights are needed you can decide on a layout and calculate their placement. So to get the number of lights you ll need in the room first measure to get the room s square footage. Determine room square footage. A foot candle is how bright a light is one foot away from its source.

Use the recessed lighting calculator on this page to calculate the placement and spacing for general lighting in a room. 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. For example if the room is 10 feet wide and 10 feet long the room square footage will be 100 square feet. This lumen calculation formula is using predefined standard lux levels required for different room types.

How many lumens per square foot do i need. In the first step of your calculations you need to choose the type of area and activity that you want to illuminate. Multiply by that 1 5 to get the number of watts needed for that space. For instance an 8 foot wall would require lights to be mounted 2 feet out from the wall.

Just select the layout enter the room s dimensions and hit calculate. In these spaces you ll want to look for shop lights wraparound lights led troffers and high bay lights that have higher output. For general lighting purposes you ll want to provide 1 5 watts of lighting per square foot of space in the room. Industrial spaces often require more lumens per square foot because of the complicated potentially dangerous nature of work being performed.

Determining how many recessed lights a room needs is one of the first steps when planning the lighting for a room. 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. The industry standard for general lighting in a room is 70 foot candles per square foot.