How to convert Kilojoules to Kilowatts

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

It is possible to calculate kilowatts from seconds and kilojoules, but you cannot convert kilojoules to kilowatts since kilojoule and kilowatt units represent different quantities.


Kilojoules to Kilowatts calculation formula

The power P in kilowatts (kW) is equal to the energy E in kilojoules (kJ) divided by the time periodt in seconds (s):

P(kW) = E(kJ) / t(s)

So

Kilowatts = Kilojoules / Seconds

or

kW = kJ / s

Example

Find the power consumption of an electrical circuit with an energy consumption of 9 kilojoules and a time duration of 3 seconds.

P(kW) = 9kJ / 3s = 3kW

kW to kJ ►


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