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This calculator uses the average watt rating (100 Watts) for a Garage Door Opener. You can input your Garage Door Opener’s details to calculate the exact usage and cost of your device.
Enter how many hours per day you estimate you run your Garage Door Opener. If it is less than one hour use a decimal. For example, 30 minutes would be .5 and 15 minutes would be .25.
Input the wattage of your Garage Door Opener. If you are unsure enter the average wattage for a Garage Door Opener: 400.
The average Garage Door Opener uses 400 watts. Your devices wattage may be different depending on the brand, size, or other factors. You can generally find the wattage of your Garage Door Opener in the user manual or on the device itself.
Enter the price per kilowatt-hour (kWh) you pay for electricity. If you are unsure you can use the average rate per kWh in the US (10 cents) or find the kWh rate in your area here.