Lumens to watts calculator

Enter the luminous flux in lumens, luminous efficacy in lumens per watt and

Enter luminous flux in lumens:		lm
Enter light source:	-- select light source -- Tungsten incandescent light bulb Halogen lamp Fluorescent lamp LED lamp Metal halide lamp High pressure sodium vapor lamp Low pressure sodium vapor lamp Mercury vapor lamp
Or enter luminous efficacy in lumens per watt:		lm/W
Power result in watts:		W

Lumens	Incandescent light bulb (watts)	Fluorescent  / LED (watts)
375 lm	25 W	6.23 W
600 lm	40 W	10 W
900 lm	60 W	15 W
1125 lm	75 W	18.75 W
1500 lm	100 W	25 W
2250 lm	150 W	37.5 W
3000 lm	200 W	50 W

 

 

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