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Ohm's Law Calculator
Enter any two values to calculate the other two using Ohm's Law.
Voltage (V):
kilovolts [kV]
volts [V]
millivolts [mV]
Current (I):
amperes [A]
milliamperes [mA]
Resistance (R):
ohms [Ω]
kilohms [kΩ]
megohms [MΩ]
Power (P):
watts [W]
kilowatts [kW]
megawatts [MW]
horsepower [hp]
BTU/h
Calculate
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