AWG Wire Gauge Converter

Convert AWG wire gauge numbers to diameter in mm and cross-sectional area in mm².

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How to use this tool

Enter awg gauge in the fields above.
Results update instantly as you type — or click Calculate.
Read your diameter and the full breakdown beneath it.

Convert any AWG wire gauge to diameter in millimetres and cross-sectional area in mm².

Frequently asked questions

What is AWG 14 wire diameter?: AWG 14 wire has a diameter of approximately 1.628 mm and a cross-sectional area of 2.08 mm². It is commonly used for 15-amp household circuits.

References & sources

Wikipedia: American wire gauge