AWG to mm² Wire Size Converter
AWG to Metric
Convert AWG gauge to mm² area and mm diameter
mm² to AWG
Find the closest AWG for a given mm² area
Formula
Diameter (mm) = 0.127 x 92^((36-n)/39) | Area (mm²) = π x (d/2)² | AWG n = 36 - 39 x log(d/0.127) / log(92)
Frequently Asked Questions
How is AWG calculated?
AWG uses the formula: diameter (mm) = 0.127 x 92^((36-n)/39), where n is the gauge number. Lower gauge numbers mean thicker wire. Each 6-gauge decrease doubles the wire diameter, and each 3-gauge decrease doubles the cross-sectional area.
What are common AWG to mm² equivalents?
Common equivalents: 14 AWG = 2.08 mm², 12 AWG = 3.31 mm², 10 AWG = 5.26 mm², 8 AWG = 8.37 mm², 6 AWG = 13.30 mm², 4 AWG = 21.15 mm², 2 AWG = 33.63 mm².
Why does Europe use mm² instead of AWG?
Europe and most of the world use the IEC 60228 standard which specifies wire sizes by cross-sectional area in mm². AWG is primarily used in North America and follows a logarithmic scale based on wire drawing dies from the 19th century.
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