E kWh P W t hr 1000. Note that rounding errors may occur so always check the results. Watt to kilowatts conversion table.
It can also be written as.
Then take the number of kilowatts multiplied by your hours of usage. What is the energy consumption in watt-hour when the power consumption is 5000 watts for time duration of 3 hours. 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. P W 1000 E kWh t hr kWh to watts calculation.