Quote:
Originally Posted by GpsFrontier
. But let say to make the math easy, you have a florescent light that puts out 10,000 lumens at 100 watts. 10,000 divided by 100= 100. Is that 100 kilowatts? Is that per minute, per hour? Also how would you figure out the energy consumption for appliances that don't put out light (lumens)?
|
If you divide lumens by watts, how would you come out with kilowatts?
Watts/1000 = kilowatts
(Lamp watts/1000) X hours of operation = kilowatt hours
KWH X cost/kwh = cost