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Ohms law

Enter any two known values and press "Calculate".

Voltage (V): volts (V)
Current (I): amps (A)
Power (P): watts (W)
Resistance (R): ohms (Ω)
Result:
V (voltage) = V (volts)
I (current) = A (amps)
P (power) = W (watts)
R (resistance) = Ω (ohms)
Ohms law
P = power in watts (W)
V = voltage in volts (V)
I = current in amperes (A)
R = resistace in ohms (Ω)