DC = Direct Current, AC = Alternating . Electric current in amps (A) to electric power in watts ( W ) calculator. You can calculate watts from amps and volts. Use this handy online tool to calculate volts , watts , or amps if two of the three.
V, 120V, 208V, 220V, 230V, 240V.

You will need to know the amps and the volts in the power source. Convert watts , volts , and amps. Volt V , ampere A, resistance and impedance ohm Ω, and watt W. Amperage or current I, amperes, amps A. Resistivity or resistance R, ohms Ω. Calculators for Ohms Law.
Volts and Amps are no longer in phase and trigonometry enters the equation. The concept for calculating the real power for ac circuits is .

Use this power converter to convert instantly between horsepower, kilowatts, megawatts, volt amperes, watts and other metric and imperial power units. Couple this with voltage , and you can easy calculate amp -hours. Enter two electrical circuit values to calculate voltage , current, resistance and. The power output of the light bulb is 1watts.
Note: a power factor of 0. Revenue, downloads, and rankings for .

















