Ohm's Law Calculator


Enter any 2 values then click "Calculate". The unknown values will be calculated.


Voltage millivolts volts kilovolts megavolts
Current milliamps amps kiloamps megaamps
Resistance milliohms ohms kilohms megaohms
Power milliwatts watts kilowatts megawatts
 




Ohm's Law defines the relationship between power, voltage, current, and resistance.



Ohm's Law