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SPEC A185

April, 2010

AWG (American Wire Gauge) to mm2 (Millimeters squared) Conversion

AWG to mm² CONVERSION TABLE mm² to AWG CONVERSION TABLE
AWG/kcmil [mm²]* mm² [mm²] * AWG/kcmil
20 0.52 0.5 0.52 20
18 0.82 0.75 0.82 18
16 1.31 1.5 1.31 16
14 2.08 2.5 2.08 14
12 3.31 2.5 3.31 12
10 5.26 4 3.31 12
8 8.36 6 5.26 10
6 13.3 10 8.36 8
4 21.2 16 13.3 6
2 33.6 25 21.2 4
1 42.4 35 33.6 2
1/0 53.5 35 42.4 1
2/0 67.4 50 53.5 1/0
3/0 85.0 70 67.4 2/0
4/0 107 95 85.0 3/0
250 127 95 107 4/0
300 152 120 107 4/0
350 177 120 127 250
400 203 150 152 300
450 228 185 177 350
500 253 185 203 400
600 304 240 228 450
750 380 240 253 500
800 405 300 304 600
1000 507 400 380 750
* Equivalent mm2 cross-sectional area 400 405 800
500 507 1000
Multiple AWG choices — consult responsible engineer for required ampacity

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