Electrical Energy Calculator
Calculate electrical energy use in kWh from power and time.
Result
—Formula
Energy (kWh) = power (kW) × hours.
Worked example
1000 W for 2 hours = 2 kWh.
Assumptions
Inputs are treated as ideal numeric values within the stated formula.
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Technical disclaimer
This calculator is for numerical estimation only. It does not provide wire, breaker, protection, electrical-code, or installation recommendations.