Kilowatts are a measure of electrical power. Kilowatt hours are a measure of how much electrical power has been used.
(600 watts) x (12 hours per day) = 7.2 kilowatt-hours per day
Watts is smaller than kilowatts. watts is unit of power and kilowatts hour is unit of energy. Electrical devices are specified in watts where as electrical bill is for kilowatt hr use.
Kilowatt hours.
35,000 BTU = 10.2574875 kilowatt hours.
8500 BTU = 2.5 kilowatt hours.
1 kilowatt = 1,000 watts 6 kilowatts = 6,000 watts 6 kilowatt-hours = 6,000 watt-hours
$96
A 30-watt bulb uses 0.03 kilowatt-hours every hour, or 30 kilowatt-hours in 1000 hours. To find the kilowatt-hours, multiply 0.03 by the time in hours.
50 watts is 0.05 kilowatts, so in 24 hours it uses 0.05 x 24 kilowatt-hours, or 1.2 kilowatt-hours of energy.
29.4 x 10 = 294 watt hours or 0.294 kilowatt hours.
(3 Kw) x (5 hrs) = 15 kilowatt-hours
300 watts 0.3 kilowatts; 0.3kilowatts X 8 hours 2.4 kilowatt-hours