Re: watt-hours Home › Electrical Engineering Forum › General Discussion › watt-hours › Re: watt-hours 2011/04/19 at 1:35 pm #11973 adminKeymaster W=VxI. If the light remains 'on' for one hour, the consumption is 600 watt hour (.6KW) 1000 wats consumed over a period of one hour is one kilowatt hour (also called unit).
