Measurement of various quantities has been an integral part of our lives since ancient times. In this modern era of automation, we need to measure quantities more so than ever. So, what is the importance of Luminous Efficacy converter? The purpose of Luminous Efficacy converter is to provide Luminous Efficacy in the unit that you require irrespective of the unit in which Luminous Efficacy was previously defined. Conversion of these quantities is equally important as measuring them. Luminous Efficacy conversion helps in converting different units of Luminous Efficacy. Luminous efficacy is a measure of how well a light source produces visible light.. There are various units which help us define Luminous Efficacy and we can convert the units according to our requirement. unitsconverters.com provides a simple tool that gives you conversion of Luminous Efficacy from one unit to another.