inches dec. inches HO scale in. HO scale ft. wire gage inches dec. inches HO scale in. HO scale ft. wire gage 0.0005 0.0 0.00363 0.32 27.9 2.32267 0.002 0.2 0.01452 21/64" 0.328125 28.6 2.38164 0 ga 0.004 0.3 0.02903 0.33 28.7 2.39525 0.005 0.4 0.03629 36 ga 0.34 29.6 2.46783 0.00625 0.5 0.04536 34 ga 11/32" 0.34375 29.9 2.49505 00 ga 0.0075 0.7 0.05444 33 ga 0.35 30.5 2.54042 0.009 0.8 0.06533 31 ga 23/64" 0.359375 31.3 2.60846 0.01 0.9 0.07258 30 ga 0.36 31.4 2.61300 0.0125 1.1 0.09073 28 ga 0.37 32.2 2.68558 0.015 1.3 0.10888 27 ga 3/8" 0.375 32.7 2.72188 000 ga 1/64" 0.015625 1.4 0.11341 26 ga 0.38 33.1 2.75817 0.02 1.7 0.14517 24 ga 0.39 34.0 2.83075 0.025 2.2 0.18146 22 ga 25/64" 0.390625 34.0 2.83529 0.03 2.6 0.21775 21 ga 0.4 34.8 2.90333 1/32" 0.03125 2.7 0.22682 20 ga 13/32" 0.40625 35.4 2.94870 0000 ga 0.035 3.0 0.25404 19 ga 0.41 35.7 2.97592 0.0375 3.3 0.27219 19 ga 0.42 36.6 3.04850 0.04 3.5 0.29033 18 ga 27/64" 0.421875 36.7 3.06211 3/64" 0.046875 4.1 0.34023 17 ga 0.43 37.5 3.12108 0.05 4.4 0.36292 16 ga 7/16" 0.4375 38.1 3.17552 00000 ga 0.06 5.2 0.43550 15 ga 0.44 38.3 3.19367 1/16" 0.0625 5.4 0.45365 14 ga 0.45 39.2 3.26625 0.07 6.1 0.50808 13 ga 29/64" 0.453125 39.5 3.28893 5/64" 0.078125 6.8 0.56706 0.46 40.1 3.33883 0.08 7.0 0.58067 12 ga 15/32" 0.46875 40.8 3.40234 000000 ga 0.09 7.8 0.65325 11 ga 0.47 40.9 3.41142 3/32" 0.09375 8.2 0.68047 0.48 41.8 3.48400 0.1 8.7 0.72583 10 ga 31/64" 0.484375 42.2 3.51576 7/64" 0.109375 9.5 0.79388 0.49 42.7 3.55658 0.11 9.6 0.79842 9 ga 1/2" 0.5 43.6 3.62917 0000000 ga 0.12 10.5 0.87100 0.51 44.4 3.70175 1/8" 0.125 10.9 0.90729 8 ga 33/64" 0.515625 44.9 3.74258 0.13 11.3 0.94358 0.52 45.3 3.77433 0.14 12.2 1.01617 0.53 46.2 3.84692 9/64" 0.140625 12.2 1.02070 7 ga 17/32" 0.53125 46.3 3.85599 0.15 13.1 1.08875 0.54 47.0 3.91950 5/32" 0.15625 13.6 1.13411 35/64" 0.546875 47.6 3.96940 0.16 13.9 1.16133 6 ga 0.55 47.9 3.99208 0.17 14.8 1.23392 0.56 48.8 4.06467 11/64" 0.171875 15.0 1.24753 9/16" 0.5625 49.0 4.08281 0.18 15.7 1.30650 5 ga 0.57 49.6 4.13725 3/16" 0.1875 16.3 1.36094 37/64" 0.578125 50.4 4.19622 0.19 16.5 1.37908 0.58 50.5 4.20983 0.2 17.4 1.45167 0.59 51.4 4.28242 13/64" 0.203125 17.7 1.47435 4 ga 19/32" 0.59375 51.7 4.30964 0.21 18.3 1.52425 0.6 52.3 4.35500 7/32" 0.21875 19.1 1.58776 39/64" 0.609375 53.1 4.42305 0.22 19.2 1.59683 3 ga 0.61 53.1 4.42758 0.23 20.0 1.66942 0.62 54.0 4.50017 15/64" 0.234375 20.4 1.70117 5/8" 0.625 54.4 4.53646 0.24 20.9 1.74200 0.63 54.9 4.57275 1/4" 0.25 21.8 1.81458 2 ga 0.64 55.7 4.64533 0.26 22.6 1.88717 41/64" 0.640625 55.8 4.64987 17/64" 0.265625 23.1 1.92799 0.65 56.6 4.71792 0.27 23.5 1.95975 21/32" 0.65625 57.2 4.76328 0.28 24.4 2.03233 0.66 57.5 4.79050 9/32" 0.28125 24.5 2.04141 1 ga 0.67 58.4 4.86308 0.29 25.3 2.10492 43/64" 0.671875 58.5 4.87669 19/64" 0.296875 25.9 2.15482 0.68 59.2 4.93567 0.3 26.1 2.17750 11/16" 0.6875 59.9 4.99010 0.31 27.0 2.25008 0.69 60.1 5.00825 5/16" 0.3125 27.2 2.26823 0.7 61.0 5.08083 45/64" 0.703125 61.2 5.10352 0.0115 1.0 0.08333 0.7 61.0 5.08083 0.0230 2.0 0.16667 0.71 61.8 5.15342 0.0344 3.0 0.25000 23/32" 0.71875 62.6 5.21693 0.0459 4.0 0.33333 0.72 62.7 5.22600 0.0574 5.0 0.41667 0.73 63.6 5.29858 0.0689 6.0 0.50000 47/64" 0.734375 64.0 5.33034 0.0804 7.0 0.58333 0.74 64.5 5.37117 0.0918 8.0 0.66667 3/4" 0.75 65.3 5.44375 0.1033 9.0 0.75000 0.76 66.2 5.51633 0.1148 10.0 0.83333 49/64" 0.765625 66.7 5.55716 0.1263 11.0 0.91667 0.77 67.1 5.58892 0.1378 12.0 1.00000 0.78 67.9 5.66150 0.1493 13.0 1.08333 25/32" 0.78125 68.0 5.67057 0.1607 14.0 1.16667 0.79 68.8 5.73408 0.1722 15.0 1.25000 51/64" 0.796875 69.4 5.78398 0.1837 16.0 1.33333 0.8 69.7 5.80667 0.1952 17.0 1.41667 0.81 70.6 5.87925 0.2067 18.0 1.50000 13/16" 0.8125 70.8 5.89740 0.2181 19.0 1.58333 0.82 71.4 5.95183 0.2296 20.0 1.66667 53/64" 0.828125 72.1 6.01081 0.2411 21.0 1.75000 0.83 72.3 6.02442 0.2526 22.0 1.83333 0.84 73.2 6.09700 0.2641 23.0 1.91667 27/32" 0.84375 73.5 6.12422 0.2755 24.0 2.00000 0.85 74.0 6.16958 0.2870 25.0 2.08333 55/64" 0.859375 74.9 6.23763 0.2985 26.0 2.16667 0.86 74.9 6.24217 0.3100 27.0 2.25000 0.87 75.8 6.31475 0.3215 28.0 2.33333 7/8" 0.875 76.2 6.35104 0.3330 29.0 2.41667 0.88 76.6 6.38733 0.3444 30.0 2.50000 0.89 77.5 6.45992 0.3559 31.0 2.58333 57/64" 0.890625 77.6 6.46445 0.3674 32.0 2.66667 0.9 78.4 6.53250 0.3789 33.0 2.75000 29/32" 0.90625 78.9 6.57786 0.3904 34.0 2.83333 0.91 79.3 6.60508 0.4018 35.0 2.91667 0.92 80.1 6.67767 0.4133 36.0 3.00000 59/64" 0.921875 80.3 6.69128 0.4248 37.0 3.08333 0.93 81.0 6.75025 0.4363 38.0 3.16667 15/16" 0.9375 81.7 6.80469 0.4478 39.0 3.25000 0.94 81.9 6.82283 0.4592 40.0 3.33333 0.95 82.7 6.89542 0.4707 41.0 3.41667 61/64" 0.953125 83.0 6.91810 0.4822 42.0 3.50000 0.96 83.6 6.96800 0.4937 43.0 3.58333 31/32" 0.96875 84.4 7.03151 0.5052 44.0 3.66667 0.97 84.5 7.04058 0.5166 45.0 3.75000 0.98 85.4 7.11317 0.5281 46.0 3.83333 63/64" 0.984375 85.7 7.14492 0.5396 47.0 3.91667 0.99 86.2 7.18575 0.5511 48.0 4.00000 1" 1 87.1 7.25833 0.5626 49.0 4.08333 1.125 98.0 8.16563 0.5741 50.0 4.16667 1 1/4" 1.25 108.9 9.07292 0.5855 51.0 4.25000 1.375 119.8 9.98021 0.5970 52.0 4.33333 1 1/2" 1.5 130.7 10.88750 0.6085 53.0 4.41667 1.625 141.5 11.79479 0.6200 54.0 4.50000 1 3/4" 1.75 152.4 12.70208 0.6315 55.0 4.58333 1.875 163.3 13.60938 0.6429 56.0 4.66667 2" 2 174.2 14.51667 0.6544 57.0 4.75000 2.25 196.0 16.33125 0.6659 58.0 4.83333 2 1/2" 2.5 217.8 18.14583 0.6774 59.0 4.91667 2.75 239.5 19.96042 0.6889 60.0 5.00000 3" 3 261.3 21.77500 0.7003 61.0 5.08333 4" 4 348.4 29.03333 0.7118 62.0 5.16667 5" 5 435.5 36.29167 0.7233 63.0 5.25000 6" 6 522.6 43.55000 0.7348 64.0 5.33333