Ohms Law Calculator
Calculate voltage (V), current (I), resistance (R), and power (P) using Ohm's Law. Provide any two values and the calculator will solve for the others.
Ohm's Law Inputs
Enter any two values and click Calculate. Formulas: V = I × R, P = V × I
Results
Ohm's Law Reference
Ohm's Law: V = I × R
Power: P = V × I
Where:
- V = Voltage (Volts)
- I = Current (Amperes)
- R = Resistance (Ohms)
- P = Power (Watts)