Electrical Calculatrices
22 interactive tools with transparent guidance and tested shared calculation logic.
Ohms Law Calculatrice
Calculate voltage from current and resistance.
ElectricalWatts to Amps Calculatrice
Convert electrical power in watts to current using voltage.
ElectricalAmps to Watts Calculatrice
Convert current and voltage to electrical power.
ElectricalVolts to Watts Calculatrice
Calculate power from voltage and current.
ElectricalWatts to Volts Calculatrice
Calculate voltage from power and current.
ElectricalkW to Amps Calculatrice
Convert kilowatts to amps for a simplified DC/resistive circuit.
ElectricalAmps to kW Calculatrice
Convert amps to kilowatts for a simplified DC/resistive circuit.
ElectricalkVA to Amps Calculatrice
Convert apparent power to current for single-phase AC.
ElectricalAmps to kVA Calculatrice
Convert current and voltage to single-phase apparent power.
ElectricalPower Factor Calculatrice
Calculate power factor from real and apparent power.
ElectricalElectricity Cost Calculatrice
Estimate electricity cost from power, usage time and energy price.
ElectricalEnergy Consumption Calculatrice
Calculate energy consumed by a device.
ElectricalWatts to kWh Calculatrice
Convert constant power over time into energy.
ElectricalkWh to Watts Calculatrice
Find average watts from energy and time.
ElectricalVoltage Divider Calculatrice
Calculate unloaded output voltage of a two-resistor divider.
ElectricalSeries Resistance Calculatrice
Add resistor values in series.
ElectricalParallel Resistance Calculatrice
Calculate equivalent resistance of parallel resistors.
ElectricalLED Resistor Calculatrice
Estimate a series resistor for an LED circuit.
ElectricalBattery Life Calculatrice
Estimate battery runtime from capacity and load current.
ElectricalmAh to Wh Calculatrice
Convert battery capacity in milliamp-hours to watt-hours using voltage.
ElectricalWh to mAh Calculatrice
Convert watt-hours to milliamp-hours using voltage.
ElectricalSolar Panel Output Calculatrice
Estimate daily solar energy production from array size, peak-sun hours and system efficiency.