How to convert kilowatts to kilojoules

 

How to convert kilowatts to kilojoules

How to convert electric power in kilowatts (kW) to energy in kilojoules (kJ).

You can calculate kilojoules from kilowatts and seconds, but you can't convert kilowatts to kilojoules since kilowatt and kilojoule units represent different quantities.

 

h2>kW to kJ calculation formula

The energy E in kilojoules (kJ) is equal to the power P in kilowatts (kW), times the time period t in seconds (s):

E(kJ) = P(kW) × t(s)

So

kilojoules = kilowatts × seconds

or

kJ = kW×s

 

Example

What is the energy consumption of an electrical circuit that has power consumption of 3 kilowatts for time duration of 3 seconds?

E(kJ) = 3kW × 3s = 9kJ

 

How to convert kJ to kW ►

 

See also

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