Ohm's Law Calculator

Enter 2 values to get the other values and press the Calculate button:

Resistance (R):
	ohms (Ω) kiloohms (kΩ) megaohms (MΩ)
Current (I):
	microamps (μA) milliamps (mA) amps (A) kiloamps (kA) megaamps (MA)
Voltage (V):
	microvolts (μV) millivolts (mV) volts (V) kilovolts (kV) megavolts (MV)
Power (P):
	microwatts (μW) milliwatts (mW) watts (W) kilowatts (kW) megawatts (MW)
Calculate Reset

AC Ohm's law calculator

Enter 2 values of magnitude+phase angle to get the other values and press the Calculate button:

Impedance (Z):
	Ω kΩ MΩ	∠		°	=
Current (I):
	μA mA A kA MA	∠		°
Voltage (V):
	V kV MV	∠		°
Power (S):
	VA kVA MVA	∠		°	=
Calculate Reset