Lumens To Watts Calculator

Watt – Watt is the unit of power. Power of 1 Watt is the product of current of 1 Ampere and voltage of 1 Volt.

How to Use Lumens To Watts Calculator?

Enter the luminous flux in Lumens.
Select the source of light. E.g: Halogen Lamp, LED Lamp.
Click on the calculate button, you will get power in Watts.

Lumens To Watts Conversion

P_(W) = Φ_V(lm) / η_(lm/W)

Where,
P(W)  =Power in Watts
ΦV(lm) =Luminous flux in Lumens
η(lm/W)= Luminous Efficacy in Lumens per Watt.

Conversion chart
light source: LED lamp with luminous efficacy = 90 lm/W

5 lumens to watts = 0.0555 W
10 lumens to watts = 0.111 W
15 lumens to watts = 0.166 W
20 lumens to watts = 0.222 W
50 lumens to watts = 0.555 W
100 lumens to watts = 1.111 W
150 lumens to watts = 1.666 W
180 lumens to watts = 2 W
200 lumens to watts = 2.222 W
560 lumens to watts = 6.222 W
580 lumens to watts = 6.444 W
1000 lumens to watts = 11.111 W
1080 lumens to watts = 12 W
1200 lumens to watts = 13.333 W
1550 lumens to watts = 17.222 W
1680 lumens to watts = 18.666 W
2400 lumens to watts = 26.666 W
3000 lumens to watts = 33.333 W
3750 lumens to watts = 41.666 W
4000 lumens to watts = 44.444 W
4500 lumens to watts = 50 W
5000 lumens to watts = 55.555 W
8000 lumens to watts = 88.888 W

Learn about Lumens to Watts conversion calculator through video.