Conversion of Gauge to Inch and MM
Approximate Weight of Steel Sheets
Size Thickness Weight
ISWG inch mm kg/sq.met.
7/0 0.500 12.700 100.440
6/0 0.464 11.786 93.211
5/0 0.432 10.973 86.782
4/0 0.400 10.160 80.352
3/0 0.372 9.449 74.729
2/0 0.348 8.839 69.935
1/0 0.324 8.230 65.116
1 0.300 7.620 60.261
2 0.276 7.010 55.442
3 0.254 6.400 50.623
4 0.232 5.892 46.604
5 0.212 5.384 42.586
6 0.192 4.876 38.568
7 0.176 4.470 35.355
8 0.160 4.064 32.137
9 0.144 3.657 28.925
10 0.128 3.251 25.712
11 0.116 2.946 23.300
12 0.104 2.641 20.888
13 0.092 2.336 18.481
14 0.080 2.032 16.069
15 0.072 1.828 14.462
16 0.064 1.625 12.856
17 0.056 1.422 11.250
18 0.048 1.219 9.638
19 0.040 1.016 8.032
20 0.036 0.914 7.231
21 0.032 0.812 6.426
22 0.028 0.711 5.625
23 0.024 0.609 4.819
24 0.022 0.558 4.419
25 0.020 0.508 4.013
26 0.018 0.457 3.613
27 0.0164 0.418 3.291
28 0.0148 0.375 2.972
29 0.0136 0.345 2.729
30 0.0124 0.314 2.490
31 0.0116 0.295 2.329
32 0.0108 0.274 2.168
33 0.0100 0.254 2.008
34 0.0092 0.234 1.847
35 0.0084 0.213 1.687
36 0.0076 0.193 1.526
37 0.0068 0.173 1.365
38 0.0060 0.152 1.204
39 0.0052 0.132 1.044
40 0.0048 0.122 0.963
41 0.0044 0.112 0.883
42 0.0040 0.102 0.802
43 0.0036 0.091 0.772
44 0.0032 0.081 0.642
45 0.0028 0.071 0.562
46 0.0024 0.061 0.482
47 0.0020 0.051 0.401
48 0.0016 0.040 0.321
49 0.0012 0.031 0.241
50 0.0010 0.025 0.201