Lighting Per Square Foot Residential

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.

Lighting per square foot residential.

Result may defer according to spacing layout of led lights and position from wall. 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. This gives you the total required wattage for the space. For example 2 800 square feet times 3 va is 8 400 va.

240 000 energy star spec home with upscale finishes. 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. Commercial spaces like retail stores can utilize many of the same light types but they may not require the same number. One lux is one lumen per square meter.

Illuminance is measured in foot candles ftcd fc fcd or lux in the metric si system. Table 220 12 in the national electrical code considers a residence a listed occupancy at 3 va per square foot. 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. This lumen calculation formula is using predefined standard lux levels required for different room types.

How many lumens per square foot do i need. Courtesy of lesser architecture. A foot candle is actually one lumen of light density per square foot. Small back patio and small front porch.

In these spaces you ll want to look for shop lights wraparound lights led troffers and high bay lights that have higher output. All interior and exterior paint. General lighting and receptacle loads. Independence led lighting is pleased to provide this ashrae watts per square foot data.

Therefore the general lighting load is determined by multiplying the square footage. 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. Industrial spaces often require more lumens per square foot because of the complicated potentially dangerous nature of work being performed. 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.