This calculator uses the average watt rating (100 Watts) for a Cable Boxes. You can input your Cable Boxes’s details to calculate the exact usage and cost of your device.
Enter how many hours per day you estimate you run your Cable Boxes. 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 Cable Boxes. If you are unsure enter the average wattage for a Cable Boxes: 140.
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.