Skip to content
Size Conversion Chart
SWG |
|
inches |
|
mm |
0 |
|
.324 |
|
8.230 |
1 |
|
.300 |
|
7.620 |
2 |
|
.276 |
|
7.010 |
3 |
|
.252 |
|
6.401 |
4 |
|
.232 |
|
5.893 |
5 |
|
.212 |
|
5.385 |
6 |
|
.192 |
|
4.877 |
7 |
|
.176 |
|
4.470 |
8 |
|
.160 |
|
4.064 |
9 |
|
.144 |
|
3.658 |
10 |
|
.128 |
|
3.251 |
11 |
|
.116 |
|
2.946 |
12 |
|
.104 |
|
2.642 |
13 |
|
.092 |
|
2.337 |
14 |
|
.080 |
|
2.032 |
15 |
|
.072 |
|
1.829 |
16 |
|
.064 |
|
1.626 |
17 |
|
.056 |
|
1.422 |
18 |
|
.048 |
|
1.219 |
19 |
|
.040 |
|
1.016 |
20 |
|
.036 |
|
0.914 |
21 |
|
.032 |
|
0.813 |
22 |
|
.028 |
|
0.711 |
23 |
|
.024 |
|
0.610 |
24 |
|
.022 |
|
0.559 |
25 |
|
.020 |
|
0.508 |
BWG |
|
inches |
|
mm |
0 |
|
.340 |
|
8.636 |
1 |
|
.300 |
|
7.620 |
2 |
|
.284 |
|
7.213 |
3 |
|
.259 |
|
6.578 |
4 |
|
.238 |
|
6.045 |
5 |
|
.220 |
|
5.588 |
6 |
|
.203 |
|
5.516 |
7 |
|
.180 |
|
4.572 |
8 |
|
.165 |
|
4.190 |
9 |
|
.148 |
|
3.759 |
10 |
|
.134 |
|
3.403 |
11 |
|
.120 |
|
3.048 |
12 |
|
.109 |
|
2.768 |
13 |
|
.095 |
|
2.413 |
14 |
|
.083 |
|
2.108 |
15 |
|
.072 |
|
1.829 |
16 |
|
.065 |
|
1.651 |
17 |
|
.058 |
|
1.473 |
18 |
|
.049 |
|
1.244 |
19 |
|
.042 |
|
1.067 |
20 |
|
.035 |
|
0.889 |
21 |
|
.032 |
|
0.812 |
22 |
|
.028 |
|
0.711 |
23 |
|
.025 |
|
0.635 |
24 |
|
.022 |
|
0.559 |
25 |
|
.020 |
|
0.508 |