Gauge

Wire gauge calculations Wire diameter calculations The n gauge wire diameter dn in inches (in) is equal to 0.005in times 92 raised to the power of 36 minus gauge number n, divided by 39: dn (in) = 0.005 in × 92(36-n)/39 The n gauge wire diameter dn in millimeters (mm) is equal to 0.127mm times 92 raised to the … Read more