HomeCalculatorsEngineering & Physics CalculatorsOhms Law CalculatorOhms Law Calculator Simplify your circuit calculations with our Ohm’s Law Calculator. Enter any two values to instantly find voltage, current, resistance, and power.Voltage (V) Current (I) Resistance (R) Power (P) ResultsVoltage (V)Current (I)Resistance (Ω)Power (W)–––– More ToolsBAC CalculatorBeam Deflection CalculatorBending Moment CalculatorBtu CalculatorCapacitor Code CalculatorDew Point CalculatorFlow Rate CalculatorGas Law Calculator (Ideal Gas, etc.)Heat Index CalculatorHeat Loss CalculatorHeat Transfer CalculatorInductive Reactance CalculatorInductor Code CalculatorKirchhoff’s Voltage/ Current Law CalculatorPipe Pressure Drop CalculatorPump Head CalculatorResistor Color Code CalculatorResonant Frequency CalculatorRF Attenuation CalculatorRLC Circuit CalculatorShear Stress CalculatorThermal Expansion CalculatorTorque CalculatorVoltage Drop Calculator