Electrical Calculators
Quick and easy calculators for common industrial electrical formulas & NEC standards.
Electrical
Calculators for electrical formulas and NEC standards.
Electrical Converter (Ohm's Law)
Quickly solve for missing electrical values. Enter any two of Watts, Amps, or Volts to find the third.
Motor Power Converter
Convert between mechanical horsepower (HP) and electrical kilowatts (kW).
Process Variable Scaler
Scale a process variable to a 4-20mA, 0-20mA, or 0-10V signal, or vice-versa. Used for analog instrumentation.
Motor Overload Heater Calculator
Calculate the maximum thermal overload heater size for a motor based on its FLA and Service Factor per NEC 430.32.
Wire Size Calculator (AWG)
Find the correct wire gauge (AWG) based on load, distance, and NEC voltage drop and ampacity requirements.
Conduit Fill Calculator
Determine the percentage of conduit filled by your selection of wires, according to NEC standards.