HomeCalculatorsEngineering & Physics CalculatorsVoltage Drop CalculatorVoltage Drop Calculator Quickly estimate single-phase, three-phase, and DC voltage drops with our responsive calculator. Enter the data and get instant, detailed results on conductor choice, distances, and percent drop.Single-PhaseThree-PhaseDCSingle-Phase Voltage Drop Source Voltage (V) Current (A) Conductor Material CopperAluminum AWG Size 14 AWG12 AWG10 AWG8 AWG6 AWG4 AWG2 AWG1 AWG One-Way Distance (ft) CalculationValueThree-Phase Voltage Drop Line Voltage (V) Current (A) Conductor Material CopperAluminum AWG Size 14 AWG12 AWG10 AWG8 AWG6 AWG4 AWG2 AWG1 AWG One-Way Distance (ft) CalculationValueDC Voltage Drop DC Voltage (V) Current (A) Conductor Material CopperAluminum AWG Size 14 AWG12 AWG10 AWG8 AWG6 AWG4 AWG2 AWG1 AWG One-Way Distance (ft) CalculationValue 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 CalculatorOhms Law CalculatorPipe Pressure Drop CalculatorPump Head CalculatorResistor Color Code CalculatorResonant Frequency CalculatorRF Attenuation CalculatorRLC Circuit CalculatorShear Stress CalculatorThermal Expansion CalculatorTorque Calculator
