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The unit kWh is a unit of energy, which is power multiplied by time. Multiply the power of the equipment (measured in W or kW) by time used (measured in h) and you get the energy in kWh.

Examples:

A power of 1 kW over a time of one hour is one kWh. A 100 W (0.1 kW) bulb left on for 5 hours uses 0.1 x 5 = 0.5 kWh.

If your home uses an average of 500 W (0.5 kW) then it will consume 12 kWh per day (24 h).

Also not the correct capitalization. Only the W (watt) is capitalized, the k (kilo = 1000) prefix and the time unit h (hour) are not.

Simply, multiply power (kW) from the time (in hours) the equipment has been used..

P (kW) x t (h) = Pt (kWh)

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13y ago

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More answers

A kilowatt hour measures the amount of energy consumed, at a rate of one kilowatt, over a period of one hour.

To determine the average power (rate of energy consumption), in kilowatts, you must divide the amount of energy consumed, in kilowatt hours, by the number of hours over which that amount of energy was consumed.

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11y ago
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A kilowatt hour is the unit for work, used by electricity companies for the purpose of billing its customers. It's correct symbol is: kW.h.

A kilowatt hour is the product of an appliance's power, expressed in kilowatts, and the time for which it operates, expressed in hours.

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Wiki User

12y ago
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Mulitply kW by time (in hours). kW is a measurement of power; kWh is a measure of energy (power x time). 1 kW used for 1 minute is 1/60th of a kWh.

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Wiki User

14y ago
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Power=V*I. Divide the answer with 1000 and you will have the answer in KW.

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Wiki User

12y ago
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Q: How do you calculate kwh?
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