Electrical

Watts to kWh Calculator — ChiefEngineer.in

Convert power (W) and time to energy (kWh).

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Formula

EkWh = PW × th / 1000

Variables

  • P — power (W)
  • t — time (h)

Worked Example

Input: 1000 W × 8 h

Result: 8 kWh

Assumptions & Notes

Assumes constant power.