Amps = Watts : Volts 560W : 120V = 4.7 Amps ( 1000 / 12 = 4.666666667 amperes ) But if you had a 5600 watts ( 5.6 kW , 5.6 Kilowatts ) air conditioning: 5600W : 120V = 47 Amps ( 1000 / 12 = 46.666666667 amperes ) Toggling it in the other way around to find out watts ( ...