Power in watts (W) to energy in kilowatt-hours (kWh) calculator and calculation formula.
Enter the power in watts, consumption time period in hours and press the Calculate button:
So The energy E in kilowatt-hours (kWh) is equal to the power P in watts (W), times the time period t in hours (hr) divided by 1000.
E(kWh) = P(W) × t(hr) / 1000
What is the energy consumption in watt-hour when the power consumption is 4000 watts for time duration of 3 hours?
E = 4000W × 3h / 1000 = 12 kWh
What is the energy consumption in watt-hour when the power consumption is 6000 watts for time duration of 3 hours?
E = 6000W × 3h / 1000 = 18 kWh
What is the energy consumption in watt-hour when the power consumption is 7000 watts for time duration of 3 hours?
E = 7000W × 3h / 1000 = 21 kWh
What is the energy consumption in watt-hour when the power consumption is 8000 watts for time duration of 3 hours?
E = 8000W × 3h / 1000 = 24 kWh
Here is a conversion Table converting common values of watts to kilowatt hours, over a duration of one hour and one day.
Watts (W) | Kilowatt Hours (kWh) @ 1 hour | Kilowatt Hours (kWh) @ 1 day |
---|---|---|
100 W | 0.1 kWh | 2.4 kWh |
200 W | 0.2 kWh | 4.8 kWh |
300 W | 0.3 kWh | 7.2 kWh |
400 W | 0.4 kWh | 9.6 kWh |
500 W | 0.5 kWh | 12 kWh |
600 W | 0.6 kWh | 14.4 kWh |
700 W | 0.7 kWh | 16.8 kWh |
800 W | 0.8 kWh | 19.2 kWh |
900 W | 0.9 kWh | 21.6 kWh |
1000 W | 1 kWh | 24 kWh |
1500 W | 1.5 kWh | 36 kWh |
2000 W | 2 kWh | 48 kWh |
2500 W | 2.5 kWh | 60 kWh |
3000 W | 3 kWh | 72 kWh |
3500 W | 3.5 kWh | 84 kWh |
4000 W | 4 kWh | 96 kWh |
4500 W | 4.5 kWh | 108 kWh |
5000 W | 5 kWh | 120 kWh |
10000 W | 10 kWh | 240 kWh |
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