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