Ohm’s Law Calculator
Calculate Voltage, Current, Resistance, and Power based on Ohm’s law. Enter any two known values to find the other two.
Calculate Voltage (V)
Formula:
Voltage (V) = Current (I) × Resistance (R)
Calculate Current (I)
Formula:
Current (I) = Voltage (V) / Resistance (R)
Calculate Resistance (R)
Formula:
Resistance (R) = Voltage (V) / Current (I)
Calculate Power (P)
Formula:
Power (P) = Voltage (V) × Current (I)