Online Lumens to watts Calculator

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Lumens to watts calculator

Enter luminous flux in lumens: lm
Enter light source:
Or enter luminous efficacy in lumens per watt: lm/W
   
Power result in watts: W

Lumens to watts

Old light sources, for example, brilliant bulbs or incandescent lights were not difficult to pick. Here the wattage was the main marker for the brilliance. In the event that a 60W bulb fizzles, it very well may be just supplanted by another 60W bulb. The supplanted light was similarly pretty much as splendid as in the past and there was compelling reason need to stress over the right brightness.

For Drove lights, the power utilization is additionally demonstrated in watts. Nonetheless, the wattage assumes a minor part now and permits just an exceptionally unpleasant end on the real brilliance. Various parts in different Drove lights lead to fluctuating splendor with a similar power consumption.

For model, a 5W Drove illuminant of type A can illuminate a lot more splendid than a second 5W Drove light of type B. This is conceivable on the grounds that light A could accomplish an improved productivity through greater parts and subsequently emanates all the more light. For the likeness of Driven lights the splendor is shown in lumens.

Lumens to watts estimation formula

Energy saving lights have high brilliant adequacy (more lumens per watt).

The power P in watts (W) is equivalent to the brilliant motion φV in lumens (lm), isolated by the glowing viability η in lumens per watt (lm/W):

P(W) = φV(lm)/ η(lm/W)

Lumens to watts table


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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