Wire Gauge Conversion Chart
| S.W.G. | Wire Number | A.W.G. or B&S | A.W.G. Metric |
(Inches) |
(Gauge) |
(Inches) |
(MM) |
| 0.500 | 0000000 (7/0) | ....................... | ............ |
| 0.464 | 000000 (6/0) | 0.580000 | ............ |
| 0.432 | 00000 (5/0) | 0.516500 | ............ |
| 0.400 | 0000 (4/0) | 0.460000 | 11,684 |
| 0.372 | 000 (3/0) | 0.409642 | 10,404 |
| 0.348 | 00 (2/0) | 0.364796 | 9,266 |
| 0.324 | 0 (1/0) | 0.324861 | 8,252 |
| 0.300 | 1 | 0.289297 | 7,348 |
| 0.276 | 2 | 0.257627 | 6,543 |
| 0.252 | 3 | 0.229423 | 5,827 |
| 0.232 | 4 | 0.2043 | 5,189 |
| 0.2120 | 5 | 0.1819 | 4,621 |
| 0.1920 | 6 | 0.1620 | 4,115 |
| 0.1760 | 7 | 0.1443 | 3,665 |
| 0.1600 | 8 | 0.1285 | 3,264 |
| 0.1440 | 9 | 0.1144 | 2,906 |
| 0.1280 | 10 | 0.1019 | 2,588 |
| 0.1160 | 11 | 0.0907 | 2,304 |
| 0.1040 | 12 | 0.0808 | 2,052 |
| S.W.G. | Wire Number | A.W.G. or B&S | A.W.G. Metric |
| 0.0920 | 13 | 0.0720 | 1,829 |
| 0.0800 | 14 | 0.0641 | 1,628 |
| 0.0720 | 15 | 0.0571 | 1,450 |
| 0.0640 | 16 | 0.0508 | 1,291 |
| 0.0560 | 17 | 0.0453 | 1,150 |
| 0.0480 | 18 | 0.0403 | 1,024 |
| 0.0400 | 19 | 0.0359 | 0,9119 |
| 0.0360 | 20 | 0.0320 | 0,8128 |
| 0.0320 | 21 | 0.0285 | 0,7239 |
| 0.0280 | 22 | 0.0253 | 0,6426 |
| 0.0240 | 23 | 0.0226 | 0,5740 |
| 0.0220 | 24 | 0.0201 | 0,5106 |
| 0.0200 | 25 | 0.0179 | 0,4547 |
| 0.0180 | 26 | 0.0159 | 0,4038 |
| 0.0164 | 27 | 0.0142 | 0,3606 |
| 0.0148 | 28 | 0.0126 | 0,3200 |
| 0.0136 | 29 | 0.0113 | 0,2870 |
| 0.0124 | 30 | 0.0100 | 0,2540 |
| 0.0116 | 31 | 0.0089 | 0,2261 |
| 0.0108 | 32 | 0.0080 | 0,2032 |
| 0.0100 | 33 | 0.0071 | 0,1803 |
| S.W.G. | Wire Number | A.W.G. or B&S | A.W.G. Metric |
| 0.0092 | 34 | 0.0063 | 0,1601 |
| 0.0084 | 35 | 0.0056 | 0,1422 |
| 0.0076 | 36 | 0.0050 | 0,1270 |
| 0.0068 | 37 | 0.0045 | 0,1143 |
| 0.0060 | 38 | 0.0040 | 0,1016 |
| 0.0052 | 39 | 0.0035 | 0,0889 |
| 0.0048 | 40 | 0.0031 | 0,0787 |
| 0.0044 | 41 | 0.0028 | 0,0711 |
| 0.0040 | 42 | 0.0025 | 0,0635 |
| 0.0036 | 43 | 0.0022 | 0,0559 |
| 0.0032 | 44 | 0.0020 | 0,0508 |
| 0.0028 | 45 | 0.0018 | 0,0457 |
| 0.0024 | 46 | 0.0016 | 0,0406 |
| 0.0020 | 47 | 0.0014 | 0,0350 |
| 0.0016 | 48 | 0.0012 | 0.0305 |
| 0.0012 | 49 | 0.0011 | 0,0279 |
| 0.0010 | 50 | 0.0010 | 0,0254 |
| 51 | 0.00088 | 0,0224 | |
| 52 | 0.00078 | 0,0198 | |
| 53 | 0.00070 | 0,0178 | |
| 54 | 0.00062 | 0,0158 | |
| 55 | 0.00055 | 0,0140 | |
| 56 | 0.00049 | 0,0124 |
Wire Gauges Arranged In Columns As Follows:
SWG= Imperial Standard Wire Gauge-(British legal standard)
AWG= American Wire Gauge
B&S>= Brown & Sharpe
Wire Gauge Comment:
Values are stated in approximate decimals of an inch excluding the metric numbers. As a number of gauges are in use for various shapes and metals, it is advisable to state the thickness in thousands when specifying in gauge number. Metric wire gauge is 10 times the diameter in millimeters.
