Lumens to Watts Conversion Calculator
This is an online calculator to convert lumens to watts. Just enter the lumens value and select the light source to get the corresponding watts value.
Enter the Lumens Value and Select the Light Source to Calculate Watts
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Conversion Equation
Luminous efficacy measures the efficiency of a light source in generating visible light.
Lumen
Lumen is the SI unit of Luminous Flux. It indicates the total amount of visible light emitted from a source.
Luminous Flux / Luminous Power is the amount of light energy radiated from a source in all directions per second and is denoted as F.
Watt
Watt is a unit of Power. It is the amount of energy that a system requires to function. When electricity flows at a rate of one joule (unit of energy) per second, it is one watt.
