Energy Calculators Electrical Unit Converter Convert From: Watts Kilowatts Megawatts Gigawatts Milliwatts MicroWatts Amperes Milliamperes Microamperes Volts Kilovolts Megavolts MilliVolts MicroVolts Ohms Siemens Watt-Hours Kilowatt-Hours Megawatt-Hours Ampere-Hours Kilovolt-Amperes Megavolt-Amperes Convert To: Watts Kilowatts Megawatts Gigawatts Milliwatts MicroWatts Amperes Milliamperes Microamperes Volts Kilovolts Megavolts MilliVolts MicroVolts Ohms Siemens Watt-Hours Kilowatt-Hours Megawatt-Hours Ampere-Hours Kilovolt-Amperes Megavolt-Amperes Value: Convert Clear Customary units in-lb to ft-pound SI metric system Watts to Amps