What is kilowatt (kW)?

Kilowatt (symbol: kW) is a unit of electric power.

Kilowatt definition

5 kilowatt (kW) is equal to 5000 watts (W):

5kW = 5000W

One kilowatt is defined as energy consumption of 1000 joules for 1 second:

1kW = 1000J / 1s

One kilowatt is equal to 1000000 milliwatts:

1kW = 1000000mW

5 kilowatt is equal to 5000000 milliwatts:

5kW = 5000000mW

Kilowatt examples

Example #1

What is the power consumption in kW when energy of 40000 joules was released during 10 seconds?


P(kW) = 40000J / 10s / 1000 = 4kW

Example #2

What is the power consumption when consuming 6kWh for 3 hours?


P(kW) = 6kWh / 3h = 2kW



kW to mW, W, MW, GW, dBm, dBW conversion calculator

Convert kilowatt to milliwatt, watt, megawatt, gigawatt, dBm, dBW.

Enter the power in one of the text boxes and press the Convert button:

  Enter milliwatts: mW  
  Enter watts: W  
  Enter kilowatts: kW  
  Enter megawatts: MW  
  Enter gigawatts: GW  
  Enter dBm: dBm  
  Enter dBW: dBW  


Kilowatt-hour (kWh) ►


See also

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