NOTE: To ensure safety and protection of equipment, please use a voltage transformer that is rated at double (2x) the wattage of the device(s) you will be using. For example, if you have a machine that draws 100 W, use a transformer that is 200 W.
Watts - volts - amps - ohms calculator
Calculates power / voltage / current / resistance.
Enter 2 values to get the other values and press the Calculate button: