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A kilowatt is a unit of power, while a kilowatt hour is a unit of energy. Power is the rate that energy is used. This means that something that operates at 1 kilowatt for 1 hour uses 1 kilowatt hour of energy.
Wiki User
∙ 10y ago
Wiki User
∙ 14y agoThe kilowatt is a unit of power (energy / time); the kilowatt-hour is a unit of energy - the energy equivalent to the power of 1 kW, during one hour. The kilowatt-hour is equivalent to 3.6 x 106 Joule (a Joule is the same as a Watt-second).
The kilowatt-hour is commonly used as a unit to charge for electrical energy. Note that you pay for electrical energy, not for electrical power.
Wiki User
∙ 11y agoThe official SI unit for energy, of course, is the joule; but the kilowatt-hour (equal to 3.6 million watt-seconds, i.e., 3.6 million joules) is used traditionally, probably for historical reasons. It is fairly easy to use in calculations (e.g., if you use a 0.5 kW device for 4 hours, you use 0.5 x 4 = 2 kWh of energy). Scientists may prefer to switch to joules (or megajoules; 1 kWh = 3.6 MJ), but this is unlikely to change. Common people are more comfortable doing this type of calculations by the hour than by the second.
Wiki User
∙ 10y agoA Joule is too small a unit. You would not use a nanometre to measure everyday things!
Wiki User
∙ 13y agoThe cost varies from one country to another.
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1kilo watt hour is equal to?
One kilo hour equals to one hour. This is used in energy.
How much does it cost to run electric 185 watts per hour?
185 watts will use up 185 watt-hours every hour. That is 0.185 kilowatt-hours each hour, costing about £0.03
How much electricity does a 1500 watt portable heater use?
1500 watts... Average electric bill is $0.98/ killowatt hour (1000 watts an hour) So it wil cost around $1.50- $2.00/ Hour to operate
How do you calculate the Monthly cost of using a 700 watt refrigerator that runs for 10 hours a day at a cost of 0.09 Killowatts per hour?
(700 watts) x (10 hours/day) x (30 days/month) x (1 kilowatt / 1,000 watts) =(700 x 10 x 30 / 1,000) (watt - hour - day - kilowatt / day - month - watt) =210 kilowatt-hour / monthWe're guessing that the actual cost of your electric energy is $0.09 per kilowatt-hour.(210 kilowatt-hour / month) x ($0.09 / kilowatt-hour) = $18.90 per month .
How much does it cost to run a 7 watt bulb non-stop for a month?
Approximately 5 kilowatt hours. Check your electric bill to see what you are charged per kilowatt hour.
How many joules are in 2kwh?
A Joule is a Watt-second. 2 kilo-watt-hours are 2 x 1000 x 3600 watt-seconds (since kilo means 1000, and an hour has 3600 seconds).A Joule is a Watt-second. 2 kilo-watt-hours are 2 x 1000 x 3600 watt-seconds (since kilo means 1000, and an hour has 3600 seconds).A Joule is a Watt-second. 2 kilo-watt-hours are 2 x 1000 x 3600 watt-seconds (since kilo means 1000, and an hour has 3600 seconds).A Joule is a Watt-second. 2 kilo-watt-hours are 2 x 1000 x 3600 watt-seconds (since kilo means 1000, and an hour has 3600 seconds).
How many kilowatts per hour produce 10 MW?
MW is a unit of power just like kW 1MW = 1000 kW 1 mega-watt = 1000 kilo-watt Watt is a measurement of power. watt-hour is a unit of energy 1 mega-watt-hour = 1000 kilo-watt-hour
What is the cost of geothermal energy per kilo watt hour?
This is usually very cheap, $0.03-$0.08 or even less
How much does a 9 watt led light bulb cost to run?
The average for america is about 18 cents per kilo-watt hour, 0.18, multiplied by the 9 watts it consumes, 0.009 because we are using KILO-watt hours, to give you a grand total of: 0.162 Cents per hour to run
What is kilo Volt hour rating?
energy per watt
1kilo watt hour is equal to?
One kilo hour equals to one hour. This is used in energy.
How much electricity cost?
It depends on how much you waste.It depends on where you live and how much the local public utility that supplies electricity charges per KwH -- kilo-watt hour.
The rate which electrucal energy does work?
I believe you are thinking of a watt perr hour or more commonly used is a kilo-watt-hour - that's the amount of power used in an hour, not exactly how much work is done however.
How much does it cost to run electric 185 watts per hour?
185 watts will use up 185 watt-hours every hour. That is 0.185 kilowatt-hours each hour, costing about £0.03
How many watt kilo watt?
1000watts=1kilowatt
How much does a single power bar cost?
A single bar of an electric fire usually consumes 1000 Watts or 1 Kilo Watt (kW) Run the bar for 1 hour and you use 1 KW/Hour (1000 Watts for 1 hour) Refer to your last electricity bill where your supplier will list their charges in KW Hrs. I would imagine around 25 cents? per Kwh
How much electricity does a 1500 watt portable heater use?
1500 watts... Average electric bill is $0.98/ killowatt hour (1000 watts an hour) So it wil cost around $1.50- $2.00/ Hour to operate
