Wire Gauge Requirement Calculator

Free wire gauge requirement calculator for wire size calculator. Enter the values below to get an instant result.

JavaScript is required for live calculation.

You can still read how Wire Gauge Requirement Calculator works, the formula, examples, and FAQs below.

Current
Length
Voltage
Material

Inputs

Current

Length

Voltage

Material

Results update when you click Estimate.

recommended wire gauge

28.5714

Estimate wire gauge requirement

(current) * (length) / (voltage || 1)

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Recently used

Tools you open will show up here on this device — with your last inputs when available.

What this result means

Free wire gauge requirement calculator for wire size calculator. Enter the values below to get an instant result. Estimate wire gauge requirement: (current) * (length) / (voltage || 1).

Assumptions

Rule dependency: Universal formula.

How it works

Estimate wire gauge requirement: (current) * (length) / (voltage || 1).

Example

Example: “wire size calculator”. Enter your values and click the button to get a result.

Frequently asked questions

What does this wire gauge requirement calculator do?+

It helps you estimate wire gauge requirement. Typical search: “wire size calculator”.

How should I read the result?+

Estimate wire gauge requirement using current; length; voltage; material. Result: recommended wire gauge.