Wire Gauge Calculator — AWG & Electrical Cable Size
Find the correct wire gauge (AWG / SWG) for any electrical circuit. Enter current load and cable length to get recommended wire size, resistance, and maximum current capacity.
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How to Use Wire Gauge Calculator
- 1Enter the required values in the input fields above.
- 2Click the Calculate button or results update instantly as you type.
- 3View your results in the output panel below the inputs.
- 4Adjust any values to recalculate instantly.