Energy Cost Calculator
Energy Cost Calculator | Appliance Electricity Cost Estimator by Wattage
Estimate daily, monthly, and annual energy cost of any appliance by wattage and usage hours. Compare space heaters, laptop chargers, TVs, and more. Uses your electricity rate for accurate cost estimates.
Appliance Energy Cost
Electricity Cost Calculator
See how much any appliance costs to run. Enter wattage, usage hours, and electricity rate.
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How to find appliance wattage
Appliance label
Most appliances have a label showing volts and amps. Multiply: Volts × Amps = Watts.
Search online
Search "[product name] wattage" for the official specs from the manufacturer.
Kill A Watt meter
Plug the appliance into a watt-hour meter for a real-time accurate reading.