Calculate electricity costs based on kWh usage or appliance wattage, with common appliance estimates and bill breakdown
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Know exactly what your appliances cost to run. Enter your electricity rate and either total kWh usage or specific appliance wattage to see monthly and annual costs. Identify energy hogs and find opportunities to save on your electric bill.
Electricity is billed in kilowatt-hours (kWh). A 1000W appliance running for 1 hour uses 1 kWh. Your bill is kWh used × rate per kWh, plus fixed charges and taxes. Knowing this helps you estimate costs and find savings.
Electricity Cost Formula
Cost = (Watts × Hours / 1000) × Rate per kWhEstimate electric bills for household budget planning.
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Check your electric bill for 'rate per kWh' or 'energy charge.' In the US, average residential rates range from $0.10-0.25/kWh depending on location. Some utilities have tiered rates that increase with usage.