Wire Gauge Converter

    Convert between AWG, mm², and diameter

    Formula

    d(mm) = 0.127 × 92^((36-AWG)/39)

    AWG is a logarithmic scale; lower numbers = thicker wire.

    Examples

    AWG 12

    2.05mm diameter, 3.31 mm².

    Frequently Asked Questions

    About Wire Gauge

    Convert between AWG, mm², and wire diameter.