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Ohm's Law Calculator
Ohm's Law Calculator
Calculate voltage, current, resistance, and power
Ohm's Law
V = I × R
Power Law
P = V × I
Solve For
Voltage (V)
Current (I)
Resistance (R)
Power (P)
Current (I) - Amperes
Resistance (R) - Ohms
Power (P) - Watts (optional)
Calculate