Electricity Cost Calculator
Wattage x hours x your rate = appliance cost.
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Your Results
kWh per day6.00
kWh this month180.00
Monthly cost$30.60
The average US residential rate is about $0.17/kWh (2026). Check your bill for your exact rate.
Frequently Asked Questions
How do I find an appliance's wattage?
Check the label or manual — most appliances list watts (e.g., 1,500 for a space heater). If only amps are listed, multiply amps x 120 volts.
Which appliances cost the most?
Heating appliances top the list: space heaters, dryers, water heaters, and ovens. AC costs depend heavily on your climate and thermostat settings.
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