Andy's Electric - Tools you can use

Enter any two of the following values and click the calculation button.
The missing values will be calculated. Enter only two values.

 
Voltage or volts E or V volts V
Amperage or current I = amperes, amps A 
 Resistivity or resistance R =  ohms Ω
Wattage or power P = watts W
 
For R take impedance Z  
 

 

 

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