S.W.G British Imperial Standard Wire Gage B.W.G Birmingham Wire Gage. B.＆ S. Brown and Sharpe Wire Gage. A.S.W.G. American Standard Wire Gage : W.＆ M. J.de P. Paris Wire Gage. W.G. Westphalia Wire Gage. B.G. Standard Birmingham Sheet and Hoop. U.S.S. U.S. Standard for Sheet and Plate Iron and Steel Gage S.W.G. B.W.G. B.＆ S. A.S. A.S. J.de P. W.G. B.G. U.S.S. No. mm mm mm W.G. W.G. mm mm mm mm 　 　 　 　 mm inch 　 　 　 　 0 12.699 12.7 　 12.45 0.49 　 　 　 12.7 0 11.785 11.532 14.73 11.72 0.4615 (PI)100 0.6 　 11.906 0 10.972 10.495 13.12 10.93 0.4305 (P)500 0.68 12.7 11.113 0 10.159 9.652 11.68 10 0.3938 600 0.76 11.303 10.319 0 9.448 8.636 10.4 9.208 0.3625 700 0.8 10.069 9.525 0 8.839 7.62 9.266 8.407 0.331 800 0.88 8.971 8.732 0 8.229 7.213 8.255 7.785 0.3065 900 1 7.993 7.938 1 7.62 6.579 7.348 7.188 0.283 1 1.12 7.122 7.144 2 7.01 6.045 6.543 6.688 0.2625 1.1 1.2 6.35 6.747 3 6.401 5.588 5.827 6.19 0.2437 1.2 1.3 5.652 6.35 4 5.873 5.156 5.189 5.723 0.2253 1.3 1.4 5.032 5.953 5 5.385 4.572 4.62 5.258 0.207 1.4 1.56 4.481 5.556 6 4.877 4.191 4.115 4.877 0.192 1.5 1.66 3.988 5.159 7 4.47 4.759 3.665 4.496 0.177 1.6 1.84 3.551 4.763 8 4.064 3.404 3.264 4.115 0.162 1.8 2.04 3.175 4.366 9 3.658 3.048 2.906 3.767 0.1483 2 2.2 2.827 3.969 10 3.251 2.769 2.588 3.429 0.135 2.2 2.4 2.517 9.572 11 2.946 2.413 2.304 3.061 0.1205 2.4 2.6 2.24 2.175 12 2.632 2.108 2.052 2.68 0.1055 2.7 3.92 1.994 2.778 13 2.337 1.829 1.826 2.324 0.0915 3 3.4 1.775 2.381 14 2.032 1.651 1.628 2.032 0.08 3.4 3.84 1.588 1.984 15 1.829 1.473 1.45 1.829 0.072 3.9 4.2 1.412 1.786 16 1.626 1.245 1.29 1.583 0.0625 4.4 4.65 1.257 1.588 17 1.422 1.067 1.151 1.372 0.054 4.9 5.45 1.118 1.429 18 1.219 0.8884 1.024 1.207 0.0475 5.4 5.96 0.9956 1.27 19 1.016 0.8128 0.9116 1.041 0.041 5.9 7 0.8865 1.111 20 0.9144 0.7109 0.8128 0.8839 0.0348 6.4 7.6 0.7938 0.9525 21 0.8128 0.6347 0.7239 0.8052 0.0318 7 8.8 0.7077 0.8731 22 0.7112 0.5585 0.6426 0.7264 0.0286 7.6 9.4 0.6289 0.7938 23 0.6096 0.5078 0.574 0.6553 0.0258 8.2 10 0.5598 0.7114 24 0.5588 0.457 0.5105 0.5862 0.023 8.8 　 0.4981 0.635 25 0.508 0.4062 0.4547 0.5182 0.0204 9.4 　 0.4432 0.5556 26 0.4572 0.3555 0.4039 0.4597 0.0181 10 　 0.3969 0.4763 27 0.4166 0.33 0.3607 0.4394 0.0173 　 　 0.3531 0.4366 28 0.3759 3047 0.32 0.4115 0.0162 　 　 0.3124 0.3969 29 0.3454 0.2539 0.2875 0.381 0.015 　 　 0.2794 0.3572 30 0.315 0.2286 0.254 0.3556 0.014 　 　 0.2489 0.3175 31 0.2946 0.2031 0.2268 0.3353 0.0132 　 　 0.221 0.2778 32 0.2743 0.1777 0.2019 0.3251 0.0122 　 　 0.1956 0.258 33 0.254 0.1269 0.1798 0.2997 0.0118 　 　 0.1753 0.2381 34 0.2337 0.1216 0.16 0.2642 0.0104 　 　 0.1579 0.2183 35 0.2134 　 0.1425 0.2413 0.1195 　 　 0.1372 0.1984 36 0.193 　 0.127 0.2286 0.009 　 　 0.1219 0.1786 37 0.1727 　 0.1112 0.2159 0.0085 　 　 　 0.1687 38 0.1524 　 0.1006 0.2032 0.008 　 　 　 0.1588 39 0.1321 　 0.0897 0.1905 0.0075 　 　 　 　 40 0.1219 　 0.0897 0.1778 0.007

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