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how to find kwh from watts. Enter electric appliance in the dropdown menu or enter manual wattage rating in watts or kilowatts kW and the daily usage of the device in hours. Calculation of Energy Consumption in kWh.
Kilowatt Hour from electricalschool.org
Kilowatt-hour watt hour 1000. The power P in watts W is equal to 1000 times the energy E in kilowatt-hour kWh divided by the time period t in hours hr. Lets go back to the example of having ten 100W light bulbs.
E kWh P W t hr 1000.
KWH Watts1000hours The formula can also be simplified to simply KWhours. The power P in watts W is equal to 1000 times the energy E in kilowatt-hour kWh divided by the time period t in hours hr. Calculation of kWh to Watts P W 1000 x E kWh t hr which means that the power in watts is calculated by multiplying 1000 by the energy in kilowatts and dividing the results by the time in hours. Calculation with line to line voltage.
