Christopher Posted October 6, 2016 Share Posted October 6, 2016 I thought this might be useful as I had to use it today Wire cross sectional area calculation The n gauge wire's cross sercional area An in square millimeters (mm2) is equal to pi divided by 4 times the square wire diameter d in millimeters (mm): An (mm2) = (π/4)×dn2 SWG to mm conversion chart SWG # Diameter (mm) Area (mm2) 7/0 12.700 126.6769 6/0 11.786 109.0921 5/0 10.973 94.5638 4/0 10.160 81.0732 3/0 9.449 70.1202 2/0 8.839 61.3643 0 8.230 53.1921 1 7.620 45.6037 2 7.010 38.5989 3 6.401 32.1780 4 5.893 27.2730 5 5.385 22.7735 6 4.877 18.6793 7 4.470 15.6958 8 4.064 12.9717 9 3.658 10.5071 10 3.251 8.3019 11 2.946 6.8183 12 2.642 5.4805 13 2.337 4.2888 14 2.032 3.2429 15 1.829 2.6268 16 1.626 2.0755 17 1.422 1.5890 18 1.219 1.1675 19 1.016 0.8107 20 0.914 0.6567 21 0.813 0.5189 22 0.711 0.3973 23 0.610 0.2919 24 0.559 0.2452 25 0.5080 0.2027 26 0.4572 0.1642 27 0.4166 0.1363 28 0.3759 0.1110 29 0.3454 0.0937 30 0.3150 0.0779 31 0.2946 0.0682 32 0.2743 0.0591 33 0.2540 0.0507 34 0.2337 0.0429 35 0.2134 0.0358 36 0.1930 0.0293 37 0.1727 0.0234 38 0.1524 0.0182 39 0.1321 0.0137 40 0.1219 0.0117 41 0.1118 0.0098 42 0.1016 0.0081 43 0.0914 0.0066 44 0.0813 0.0052 45 0.0711 0.0040 46 0.0610 0.0029 47 0.0508 0.0020 48 0.0406 0.0013 49 0.0305 0.0007 50 0.0254 0.0005 Link to comment Share on other sites More sharing options...
smacksy Posted October 6, 2016 Share Posted October 6, 2016 I thought this might be useful as I had to use it today [emoji4]Wire cross sectional area calculation The n gauge wire's cross sercional area An in square millimeters (mm2) is equal to pi divided by 4 times the square wire diameter d in millimeters (mm):An (mm2) = (π/4)×dn2 SWG to mm conversion chart SWG # Diameter (mm) Area (mm2) 7/0 12.700 126.6769 6/0 11.786 109.0921 5/0 10.973 94.5638 4/0 10.160 81.0732 3/0 9.449 70.1202 2/0 8.839 61.3643 0 8.230 53.1921 1 7.620 45.6037 2 7.010 38.5989 3 6.401 32.1780 4 5.893 27.2730 5 5.385 22.7735 6 4.877 18.6793 7 4.470 15.6958 8 4.064 12.9717 9 3.658 10.5071 10 3.251 8.3019 11 2.946 6.8183 12 2.642 5.4805 13 2.337 4.2888 14 2.032 3.2429 15 1.829 2.6268 16 1.626 2.0755 17 1.422 1.5890 18 1.219 1.1675 19 1.016 0.8107 20 0.914 0.6567 21 0.813 0.5189 22 0.711 0.3973 23 0.610 0.2919 24 0.559 0.2452 25 0.5080 0.2027 26 0.4572 0.1642 27 0.4166 0.1363 28 0.3759 0.1110 29 0.3454 0.0937 30 0.3150 0.0779 31 0.2946 0.0682 32 0.2743 0.0591 33 0.2540 0.0507 34 0.2337 0.0429 35 0.2134 0.0358 36 0.1930 0.0293 37 0.1727 0.0234 38 0.1524 0.0182 39 0.1321 0.0137 40 0.1219 0.0117 41 0.1118 0.0098 42 0.1016 0.0081 43 0.0914 0.0066 44 0.0813 0.0052 45 0.0711 0.0040 46 0.0610 0.0029 47 0.0508 0.0020 48 0.0406 0.0013 49 0.0305 0.0007 50 0.0254 0.0005 Kinda complicated for a simple minded person like me, lolI think I posted this chart on a another thread but it is easy to understand and use..least it is for me, lolSent from my XT1585 using Tapatalk Link to comment Share on other sites More sharing options...
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