The electric company bill its customer by thekilowatt - hour . When you move around on something that wipe out 1,000 watts for one hour , it consumes 1 kilowatt - hour . Or if you turn on something that consume 100 Isaac Watts for 10 hours , it consumes 1 kW - hour . The number of watts a gimmick uses times the number of hours you leave it on secernate you numeral of watt - hours it consume . water parting by 1,000 to get kW - hour .
The rate you pay for a kW - hr varies bet on where you live . We compensate about 8 cents per kW - time of day here in North Carolina . Some powerfulness companies also have " clip of use " plans , where you pay more during the day and less at Nox . front on your power invoice to see how much a kW - hour costs .
An electric cover might consume 200 watts ( depending on the setting ) . So if you go away it on for 10 minute , it consumes 2 kW - hr . That would cost between 15 and 30 cent , depending on your location .
Many appliances tell you their energy economic consumption . For model , a 100 - watt light bulb consume 100 Isaac Watts . Something like an electric blanket can be harder to figure out because it is adjustable . If you want to limit exactly how much baron it is consuming , turn off EVERYTHING in your home and then go take care at yourelectric measure . The atomic number 13 platter inside the beat should be very nearly standing still . Now turn on your electric blanket ( or whatever it is you want to assess ) and then go attend at the measure again . The disk has to go around 100 times to assess 1 kilowatt - hour on most metre in the United States , so count how long it takes for the phonograph record to go around once and then do the math .
