Watt – Watt is the unit of power. Power of 1 Watt is the product of current of 1 Ampere and voltage of 1 Volt.
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.
P(W) = ΦV(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.
Luminous flux (lm) | Light source | Efficacy (lm/W) | Power (W) |
---|---|---|---|
1000 | Tungsten incandescent light bulb | 15 | 66.66666667 |
1000 | Halogen lamp | 20 | 50 |
1000 | Fluorescent lamp | 60 | 16.66666667 |
1000 | LED lamp | 90 | 11.11111111 |
1000 | Metal halide lamp | 87 | 11.49425287 |
1000 | High-pressure sodium vapor lamp | 117 | 8.547008547 |
1000 | Low-pressure sodium vapor lamp | 150 | 6.666666667 |
1000 | Mercury vapor lamp | 50 | 20 |
2000 | Tungsten incandescent light bulb | 15 | 133.3333333 |
3000 | Halogen lamp | 20 | 150 |
4000 | Fluorescent lamp | 60 | 66.66666667 |
5000 | LED lamp | 90 | 55.55555556 |
6000 | Metal halide lamp | 87 | 68.96551724 |
7000 | High-pressure sodium vapor lamp | 117 | 59.82905983 |
8000 | Low pressure sodium vapor lamp | 150 | 53.33333333 |
9000 | Mercury vapor lamp | 50 | 180 |