Electrical Engineering calculators
Ohm’s law, power, energy and circuit fundamentals.
Battery Runtime CalculatorEstimated running time of a battery from its capacity and the load power or current.Electrical EngineeringCapacitors in Series & Parallel CalculatorTotal capacitance of up to six capacitors in parallel and in series.Electrical EngineeringElectricity Cost CalculatorEnergy use (kWh) and running cost of any appliance or machine.Electrical EngineeringOhm’s Law CalculatorEnter any two of voltage, current, resistance and power to find the others.Electrical EngineeringResistors in Series & Parallel CalculatorTotal resistance of up to six resistors in series and in parallel.Electrical EngineeringSingle & Three-Phase AC Power CalculatorkW, kVA, kVAR and current for single-phase and three-phase loads.Electrical EngineeringTransformer Turns Ratio CalculatorTurns ratio, secondary voltage or secondary turns of an ideal transformer.Electrical EngineeringVoltage Drop CalculatorEstimated voltage drop, % drop and cable losses for DC, single-phase and three-phase circuits.Electrical Engineering