How Many Watts Does An Average Computer Use. Electricity usage of a Desktop Computer An average desktop computer uses between 60. Also know running cost per hour day week and for a year.
The actual wattage required for your appliances may differ. You can get a Kill-A-Watt power meter for 15-20 online and thatll tell you exactly how much power your setup is consuming. How Many Watts Do You Need.
Add another 20-40 watts for an LCD monitor or about 80 watts if you have an old-school 17 CRT.
Answer 1 of 11. Check the following steps I use to know how many watts is my pc using. Now it is free lying around so I used this to measure 2 monitors an LG 24 and a Samsung 34. Do gaming computers use more electricity.
