Lighting Per Square Foot Residential

A foot candle is actually one lumen of light density per square foot.

Lighting per square foot residential.

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. Table 220 12 in the national electrical code considers a residence a listed occupancy at 3 va per square foot. Industrial spaces often require more lumens per square foot because of the complicated potentially dangerous nature of work being performed. Commercial spaces like retail stores can utilize many of the same light types but they may not require the same number.

The illuminating engineering society ies lighting handbook recommends 50 lumens a measure of light output per square foot in residential garages and 300 lumens per square foot in workshop areas. All interior and exterior paint. In the first step of your calculations you need to choose the type of area and activity that you want to illuminate. Please choose proper unit of your room area to help us count led lights lux and watts calculation required per square foot meter inch.

This lumen calculation formula is using predefined standard lux levels required for different room types. 219 000 built on spec 3 bedrooms 2 baths 2 car oversized garage 12 foot ceilings high end fixtures and all finish work. In these spaces you ll want to look for shop lights wraparound lights led troffers and high bay lights that have higher output. General lighting and receptacle loads.

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. How many lumens per square foot do i need. Small back patio and small front porch. 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.

Independence led lighting is pleased to provide this ashrae watts per square foot data. For example 2 800 square feet times 3 va is 8 400 va. 240 000 energy star spec home with upscale finishes. Result may defer according to spacing layout of led lights and position from wall.

Beyond providing useful information to led professionals property owners facility managers and contractors our company has five key advantage over other lighting manufacturers and solution providers. 1 lux 1 lumen sq meter 0 0001 phot 0 0929 foot candle ftcd fcd 1 phot 1 lumen sq centimeter 10000 lumens sq meter. Illuminance is measured in foot candles ftcd fc fcd or lux in the metric si system. Therefore the general lighting load is determined by multiplying the square footage.