AWG to mm / mm² Calculator
Convert American Wire Gauge (AWG) to millimeters (mm diameter) and square millimeters (mm² cross-sectional area).
Wire Specifications
Note: Enter 0 for 1/0, -1 for 2/0, -2 for 3/0, -3 for 4/0, or standard sizes 1 to 40.
Cross-Sectional Area
5.26
mm²
Conductor Diameter:
2.59 mm
Diameter (Inches):
0.1019 in
Approx. Copper Resistance:
3.28 Ω / km
Area = 0.012668 × 92^((36 - AWG) / 19.5) mm²
Understanding AWG to mm Conversion
American Wire Gauge (AWG) is a standardized wire gauge system used primarily in North America for the diameters of round, solid, nonferrous, electrically conducting wire. In metric systems, wire size is commonly expressed in diameter (mm) or cross-sectional area (mm²).
AWG Conversion Mathematical Formulas:
Diameter (mm): d = 0.127 × 92^((36 - n) / 39)
Cross-Section Area (mm²): A = (π / 4) × d² ≈ 0.012668 × 92^((36 - n) / 19.5)