ϟENERGY
Energy Consumption Calculator
Estimate monthly electricity consumption from appliance power, daily usage and days used.
Enter your values
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Formula
Energy (kWh) = power (W) × hours × days ÷ 1000.
Energy (kWh) = power (W) × hours × days ÷ 1000.
How it works
1
Enter appliance power.
2
Enter daily hours and days per month.
3
Review monthly kWh.
Important notes
Actual electricity consumption can differ from the rated power because appliances cycle on and off.