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Thsi depends on the light bulb specification.

For example if you buy a standard 60W light bulb from your supmarket then this will consume 0.06kilowatts.

Its simple just divide the wattage stated on the light bulb by 1000 to give you the kilowatts

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Q: How many kilowatts does a light bulb use?
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How many kilowatts does a energy saving light bulb use?

Energy-saving bulbs use much less than 1 kilowatt and most of them use less than 40 watts which is 0.04 kilowatts. A 20 watt bulb uses 1 kilowatt-hour of energy if run for 50 hours.


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A 100 watt light bulb left on for 24hrs how many kilowatts does it draw in a thirty day period?

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