Electrical Calculators
Electrical calculators: amps, volts, watts, kW, kVA, VA, kWh, Ohm's law and power factor.
Ohm's Law Calculator
From current and resistance compute voltage and power (V=IR, P=I²R).
Power Factor Calculator
Convert real power, voltage and current to power factor PF.
Voltage Divider Calculator
From input voltage and two resistors compute output Vout = Vin·R2/(R1+R2).
Amps to kW Calculator
Convert current, voltage and power factor to real power (kW).
Amps to Watts Calculator
Convert current, voltage and power factor to power (watts).
kW to Amps Calculator
Convert real power, voltage and power factor back to current.
Watts to Amps Calculator
Convert power, voltage and power factor to current (amps).
Amps to kVA Calculator
Convert current and voltage to apparent power (kVA).
Amps to VA Calculator
Convert current and voltage to apparent power (VA).
Amps to Volts Calculator
Convert current and power to voltage V = P/I.
kVA to Amps Calculator
Convert apparent power and voltage back to current (amps).
kVA to Watts Calculator
Convert apparent power and power factor to real power (watts).