Energy Consumption Calculator
Watts = 0
Kilowatts = 0
Amps = 0
Voltage Rating = 0
Cost/kWh [¢] =
Calculates the cost to operate an appliance per hour. Input the voltage of the appliance, the power consumed and the cost of electricity per kilowatt-hour based on rates of local electric power supplier and the cost to operate the appliance is calculated.
NOTE: Electricity cost varies widely by region and by power supplier. If unsure of costs, estimate based on the average cost of 14 cents per kilowatt-hour. The range in price per kilowatt hour generally starts at about 9 cents but can go as high as 25 cents per kilowatt hour.
Select between watts, kilowatts, and amps. Appliances are provided with a nameplate that will provide this information in one of the given formats. Input this rating into the appropriate box. Input only 1 selection and leave all other fields blank.
- Voltage Rating: Voltage rating of the appliance.
- Cost/kWh [¢]: Cost of electricity per kilowatt-hour, in cents, based on local utility provider.
- Cost/Hour: Cost to operate this appliance per hour.
Calculate the estimated cost per hour to operate this water heater based on a local rate of 17 cents per kilowatt-hour.
- Watts: 4,500
- Voltage Rating: 1∅¸, 240 volts
- Cost/kWh [¢]: 17
The estimate cost per hour to operate this appliance is $0.77.