Luminous flux in lumens (lm) to electric power in watts (W) calculator. Enter the luminous flux in lumens, luminous efficacy in lumens per watt and press the Calculate button to get the power in watts:
This free online calculator will help you convert lumens to watts and vice versa. So you can calculate how many lumens the new LED lamps should have based on your previous lights.
LightCalculator.com provides professional lighting calculation tools to help you convert between lumens and watts. Use our calculators for efficient lighting conversion.
The lumens to watts calculator allows you to convert luminous flux (lumens) to electric power (watts), considering the luminous efficacy of the light source. Ideal for comparing LED, fluorescent, incandescent, halogen, and CFL.
This online calculator helps you estimate electrical power consumption in watts (W) based on luminous output in lumens (lm), using typical luminous efficacy values of various bulb types such as LED, CFL, halogen, and incandescent.
This free online calculator will help you convert lumens to watts and vice versa. So you can calculate how many lumens the new LED lamps should have based on your previous lights.