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Wire Gauge Calculator (AWG)
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Calculate diameter and area for American Wire Gauge sizes.
Input
AWG Number
Reset
Properties
Diameter
-
mm
Area
-
mm²
About this calculator
Quick Reference
AWG 10
~5.26 mm²
AWG 20
~0.52 mm²
Overview
Use standard AWG formulas to find the diameter and cross-sectional area of a wire.
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Pro Tips
Higher AWG number = Thinner wire.
Doubling diameter reduces gauge by 6.
!
Fun Facts
"AWG 0000 (4/0) is huge, while AWG 40 is thinner than a hair."
Formula: d = 0.127 · 92^((36-n)/39)
