Lumens to Watts Conversion

What is a Watt?

A watt is a measure of energy consumption. Our electric bill is a representation of the number of watts used for a given period. The wattage of a bulb represents the amount of energy the bulb consumes. In the past with incandescent bulbs, we would associate a level of brightness with the wattage of the bulb.  With the advancement of LED technology, we need to shift our thinking towards lumens due to the efficacy of LED bulbs.  

What is a Lumen?

The definition of lumen is a unit of luminous flux equal to the amount of light given out through a solid angle of 1 steradian by a point source of 1 candela intensity radiating uniformly in all directions. In short, lumens are a unit for measuring brightness, the higher the lumens the brighter the bulb.

Lumens to Watts Conversion Chart

LED efficacy will vary from manufacturer to manufacturer. The chart below is a great starting point when looking for your next LED bulb.

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