This wire size calculator will calculate the appropriate wire gauge for a circuit based on amps, voltage, distance, and load. This website provides a wire size calculator, voltage drop calculator, wire …

Each wire size, or wire gauge (AWG), has a maximum current limit that a wire can handle before damage occurs. It is important to pick the correct size of wire so that the wire doesn't overheat.

The Wire Size Calculator below will calculate the proper wire size for a circuit based on circuit amps, preferred (or available) wire insulation, conductor type and installation specifications.

Full list of wire size calculators, voltage drop calculators, and other calculators to determine proper wire size.

The Advanced Wire Size Calculator will calculate the proper wire size for a circuit based on circuit amps, preferred (or available) wire insulation, conductor type and installation specifications.

This wire ampacity calculator will determine the maximum allowable ampacity for a given wire size based on conductor and insulation.

Wire Size Chart: Allowable Ampacities of Conductors in Raceway, Cable, or Earth ... Note: View additional wire size charts from the list below.

The Advanced Wire Ampacity Calculator will calculate the maximum ampacity for a wire based on wire gauge, preferred (or available) wire insulation, conductor type and installation specifications.

This formula can help you determine voltage drop across a circuit, as well as the size wire gauge you will need for your circuit based on the maximum desired voltage drop.

To properly size wire for various applications, use the Wire Size Calculator to determine proper conductor sizing. Visit the Tables page to view reference tables such as Maximum Ampacity for …