Electrical & Energy Calculators
A comprehensive collection of tools for electrical and energy conversions.
⚡ Power & Voltage
Ohm's Law Calculator
Calculate Voltage, Current, Resistance and Power
Voltage Drop Calculator
Calculate voltage drop for a given wire size
Wire Size Calculator
Calculate recommended wire size based on load and length
Amps to Watts
Convert Amps to Watts
Watts to Amps
Convert Watts to Amps (DC, 1-Phase, 3-Phase)
Watts to Volts
Calculate Voltage from Power and Current
Volts to Watts
Convert Volts to Watts
Amps to Volts
Convert Amps to Volts (using Watts or Ohms)
Volts to Amps
Convert Volts to Amps (using Watts or Ohms)
VA to Watts
Convert Apparent Power (VA) to Real Power (Watts)
Horsepower to Amps
Convert Motor HP to Amps (DC, 1-Phase, 3-Phase)