吋 毫米 吋 毫米 吋 毫米 7/0 0.5 12.7 0.6666 16.932 6/0 0.464 11.786 0.625 15.875 5/0 0.432 10.973 0.5 12.7 0.5883 14.943 4/0 0.4 10.16 0.454 11.532 0.5416 13.757 3/0 0.372 9.449 0.425 10.795 0.5 12.7 2/0 0.348 8.839 0.38 9.625 0.4452 11.308 0 0.324 8.23 0.34 8.639 0.3954 10.069 1 0.3 7.62 0.03 7.62 0.3532 8.971 2 0.276 7.01 0.284 7.214 0.3147 7.993 3 0.252 6.401 0.259 6.579 0.2804 7.122 4 0.232 5.8