How Everything Works
How Everything Works How Everything Works
 

QUESTIONS AND ANSWERS
 
Question 786

How much does it cost to run a regular 60 to 100 watt light bulb per minute or per hour? — JM, Smithfield, ME
Electricity typically costs about 7 cents per kilowatt-hour. Over the course of an hour, a 100-watt light bulb will use 100 watt-hours or 0.1 kilowatt-hours, at a cost of about 0.7 cents. That's about 0.012 cents per minute.
         

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