號數
Gauge No. |
伯明翰號數BWG
|
標準號數SWG
|
歐洲號數BG
|
美國號數U.S.G.
| ||||
(Birmingham Wire Gauge) used for wire
|
(also I.S.W.G.)
(Imperial Standard Wire Gauge) used for sheet, wire, nails |
(Birmingham Gauge) used for European SteelSheets
|
Standard U.S. Gauge for Steel Sheets
| |||||
公厘mm
|
吋inch
|
公厘mm
|
吋inch
|
公厘mm
|
吋inch
|
公厘mm
|
吋inch
| |
1
|
7.62
|
0.3
|
7.62
|
0.3
|
8.971
|
0.3532
|
-
|
-
|
2
|
7.21
|
0.284
|
7.01
|
0.276
|
7.993
|
0.3147
|
-
|
-
|
3
|
6.58
|
0.259
|
6.401
|
0.252
|
7.122
|
0.2804
|
6.073
|
0.2391
|
4
|
6.05
|
0.238
|
5.893
|
0.232
|
6.35
|
0.25
|
5.695
|
0.2242
|
5
|
5.59
|
0.22
|
5.385
|
0.212
|
5.652
|
0.2225
|
5.314
|
0.2092
|
6
|
5.16
|
0.203
|
4.877
|
0.192
|
5.032
|
0.1981
|
4.935
|
0.1943
|
7
|
4.57
|
0.18
|
4.47
|
0.176
|
4.481
|
0.1764
|
4.554
|
0.1793
|
8
|
4.19
|
0.165
|
4.064
|
0.16
|
3.988
|
0.157
|
4.176
|
0.1644
|
9
|
3.76
|
0.148
|
3.658
|
0.144
|
3.551
|
0.1398
|
3.797
|
0.1495
|
10
|
3.4
|
0.134
|
3.251
|
0.128
|
3.175
|
0.125
|
3.416
|
0.1345
|
11
|
3.05
|
0.12
|
2.946
|
0.116
|
2.827
|
0.1113
|
3.038
|
0.1196
|
12
|
2.77
|
0.109
|
2.642
|
0.104
|
2.517
|
0.0991
|
2.657
|
0.1046
|
13
|
2.41
|
0.095
|
2.337
|
0.092
|
2.24
|
0.0882
|
2.278
|
0.0897
|
14
|
2.11
|
0.083
|
2.032
|
0.08
|
1.994
|
0.0785
|
1.897
|
0.0747
|
15
|
1.83
|
0.072
|
1.829
|
0.072
|
1.775
|
0.0699
|
1.709
|
0.0673
|
16
|
1.65
|
0.065
|
1.626
|
0.064
|
1.558
|
0.0625
|
1.519
|
0.0598
|
17
|
1.47
|
0.058
|
1.422
|
0.056
|
1.412
|
0.0556
|
1.366
|
0.0538
|
18
|
1.24
|
0.049
|
1.219
|
0.048
|
1.257
|
0.0495
|
1.214
|
0.0478
|
19
|
1.07
|
0.042
|
1.016
|
0.04
|
1.118
|
0.044
|
1.062
|
0.0418
|
20
|
0.89
|
0.035
|
0.914
|
0.036
|
0.9957
|
0.0392
|
0.912
|
0.0359
|
21
|
0.81
|
0.032
|
0.813
|
0.032
|
0.8865
|
0.0349
|
0.836
|
0.0329
|
22
|
0.71
|
0.028
|
0.711
|
0.028
|
0.7938
|
0.03125
|
0.759
|
0.0299
|
23
|
0.64
|
0.025
|
0.61
|
0.024
|
0.7066
|
0.02782
|
0.683
|
0.0269
|
24
|
0.56
|
0.022
|
0.559
|
0.022
|
0.6289
|
0.02476
|
0.607
|
0.0239
|
25
|
0.51
|
0.02
|
0.508
|
0.02
|
0.5598
|
0.02204
|
0.531
|
0.0209
|
26
|
0.46
|
0.018
|
0.457
|
0.018
|
0.4981
|
0.01961
|
0.455
|
0.0179
|
27
|
0.41
|
0.016
|
0.4162
|
0.0164
|
0.4432
|
0.01745
|
0.417
|
0.0164
|
28
|
0.36
|
0.014
|
0.3759
|
0.0148
|
0.3969
|
0.015625
|
0.378
|
0.0149
|
29
|
0.33
|
0.013
|
0.3454
|
0.0136
|
0.3531
|
0.0139
|
0.343
|
0.0135
|
30
|
0.3
|
0.012
|
0.315
|
0.0124
|
0.3124
|
0.0123
|
0.305
|
0.012
|
31
|
0.25
|
0.01
|
0.2946
|
0.0116
|
0.2794
|
0.011
|
0.267
|
0.0105
|
32
|
0.23
|
0.009
|
0.2743
|
0.0108
|
0.2489
|
0.0098
|
0.246
|
0.0097
|
33
|
0.2
|
0.008
|
0.254
|
0.01
|
0.221
|
0.0087
|
0.229
|
0.009
|
34
|
0.18
|
0.007
|
0.2337
|
0.0092
|
0.1956
|
0.0077
|
0.208
|
0.0082
|
35
|
0.13
|
0.005
|
0.2134
|
0.0084
|
0.1753
|
0.0069
|
0.19
|
0.0075
|
36
|
0.1
|
0.004
|
0.193
|
0.0076
|
0.1549
|
0.0061
|
0.17
|
0.0067
|
37
|
-
|
-
|
0.1727
|
0.0068
|
0.1372
|
0.0054
|
0.163
|
0.0064
|
38
|
-
|
-
|
0.1524
|
0.006
|
0.1219
|
0.0048
|
0.152
|
0.006
|
39
|
-
|
-
|
0.1321
|
0.0052
|
0.1092
|
0.0043
|
-
|
-
|
40
|
-
|
-
|
0.1219
|
0.0048
|
0.09804
|
0.00386
|
-
|
-
|