Energy usage based on the average Computer wattage of 68.
Computer Energy Usage Calculator
This calculator uses the average watt rating (100 Watts) for a Computer. You can input your Computer’s details to calculate the exact usage and cost of your device.
Hours used per day
Enter how many hours per day you estimate you run your Computer. If it is less than one hour use a decimal. For example, 30 minutes would be .5 and 15 minutes would be .25.
Power used (Watts)
Input the wattage of your Computer. If you are unsure enter the average wattage for a Computer: 68.
How many watts does a Computer use?
The average Computer uses 68 watts. Your devices wattage may be different depending on the brand, size, or other factors. You can generally find the wattage of your Computer in the user manual or on the device itself.
Your energy rate
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.
