How to convert electric power in watts (W) to energy in kilojoules (kJ).

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

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

*E*_{(kJ)} = *P*_{(W)}* *×* t*_{(s)}
/ 1000

So

kilojoules = watts × seconds / 1000

or

kJ = W × s / 1000

What is the energy consumption of an electrical circuit that has power consumption of 300 watts for time duration of 3 seconds?

*E*_{(kJ)} = 300W × 3s / 1000 = 0.9kJ

- Watts to kJ calculator
- Watts to joules calculator
- How to convert kJ to watts
- How to convert kJ to kW
- How to convert joules to kW
- How to convert joules to watts
- Watt (W)
- Electrical calculation
- Power conversion
- Energy conversion

- Amps to watts
- Amps to kW
- Amps to kVA
- Amps to volts
- Amps to ohms
- Amps to mA
- mA to amps
- Watts to amps
- Watts to joules
- Watts to volts
- Watts to VA
- Watts to kVA
- Watts to Wh
- Watts to kWh
- Watts to kJ
- Watts to lumens
- Lumens to watts
- kW to amps
- kW to volts
- kW to Wh
- kW to kWh
- kW to VA
- kW to kVA
- kW to joules
- kW to kJ
- Volts to amps
- Volts to joules
- Volts to watts
- Volts to kW
- Volts to ohms
- Volts to eV
- Ohms to amps
- Ohms to volts
- Joules to watts
- Joules to kW
- Joules to volts
- kJ to watts
- kJ to kW
- eV to volts
- Wh to mAh
- Wh to watts
- Wh to kW
- kWh to watts
- kWh to kW
- VA to watts
- VA to kW
- VA to kVA
- kVA to amps
- kVA to watts
- kVA to kW
- kVA to VA
- Ah to mAh
- mAh to Ah
- mAh to Wh
- dB converter