Wall Thickness Conversion, Coiled tubing, capillary tubes, corrosive resistant alloy (CRA) coiled tubing, hydraulic control tubing, hydraulic control lines, tubing encapsulated cables, chemical injection lines, pre insulated tubes, multi core tube bundles, umbilical tubing cable, stainless steel tubing, velocity strings, work strings and cable alloy pipes

Wall Thickness Conversion

SWG	Wall Thickness		BWG	Wall Thickness		USG	Wall Thickness
SWG	in	mm	BWG	in	mm	USG	in	mm
0 SWG	0.324	8.230	0 BWG	0.340	8.636
1 SWG	0.300	7.620	1 BWG	0.300	7.620
2 SWG	0.276	7.010	2 BWG	0.284	7.214
3 SWG	0.252	6.401	3 BWG	0.259	6.579
4 SWG	0.232	5.893	4 BWG	0.238	6.045
5 SWG	0.212	5.385	5 BWG	0.220	5.588
6 SWG	0.192	4.877	6 BWG	0.203	5.156	6 USG	0.2031	5.159
7 SWG	0.176	4.470	7 BWG	0.180	4.572	7 USG	0.1875	4.763
8 SWG	0.160	4.064	8 BWG	0.165	4.191	8 USG	0.1719	4.366
9 SWG	0.144	3.658	9 BWG	0.148	3.759	9 USG	0.1563	3.970
10 SWG	0.128	3.251	10 BWG	0.134	3.404	10 USG	0.1406	3.571
11 SWG	0.116	2.946	11 BWG	0.120	3.048	11 USG	0.1250	3.175
12 SWG	0.104	2.642	12 BWG	0.109	2.769	12 USG	0.1094	2.779
13 SWG	0.092	2.337	13 BWG	0.095	2.413	13 USG	0.0938	2.383
14 SWG	0.080	2.032	14 BWG	0.083	2.108	14 USG	0.0781	1.984
15 SWG	0.072	1.829	15 BWG	0.072	1.829	15 USG	0.0703	1.786
16 SWG	0.064	1.626	16 BWG	0.065	1.651	16 USG	0.0625	1.588
17 SWG	0.056	1.422	17 BWG	0.058	1.473	17 USG	0.0563	1.430
18 SWG	0.048	1.219	18 BWG	0.049	1.245	18 USG	0.0500	1.270
19 SWG	0.040	1.016	19 BWG	0.042	1.067	19 USG	0.0438	1.113
20 SWG	0.036	0.914	20 BWG	0.035	0.889	20 USG	0.0375	0.953
21 SWG	0.032	0.813	21 BWG	0.032	0.813	21 USG	0.0344	0.874
22 SWG	0.028	0.711	22 BWG	0.028	0.711	22 USG	0.0313	0.795
23 SWG	0.024	0.610	23 BWG	0.025	0.635	23 USG	0.0218	0.554
24 SWG	0.022	0.559	24 BWG	0.022	0.559	24 USG	0.025	0.635
25 SWG	0.020	0.508	25 BWG	0.020	0.508	25 USG	0.0219	0.556
26 SWG	0.0180	0.457	26 BWG	0.018	0.457	26 USG	0.0188	0.478
27 SWG	0.0164	0.417	27 BWG	0.016	0.406	27 USG	0.0172	0.437
28 SWG	0.0148	0.376	28 BWG	0.014	0.356	28 USG	0.0156	0.396
29 SWG	0.0136	0.345	29 BWG	0.013	0.330	29 USG	0.0141	0.358
30 SWG	0.0124	0.315	30 BWG	0.012	0.305	30 USG	0.0125	0.318
31 SWG	0.0116	0.295	31 BWG	0.010	0.254	31 USG	0.0109	0.277
32 SWG	0.0108	0.274	32 BWG	0.009	0.229	32 USG	0.0102	0.259
33 SWG	0.0100	0.254	33 BWG	0.008	0.203	33 USG	0.0094	0.239
34 SWG	0.0092	0.234	34 BWG	0.007	0.178	34 USG	0.0086	0.218
35 SWG	0.0084	0.213	35 BWG	0.005	0.127	35 USG	0.0078	0.198
36 SWG	0.0076	0.193	36 BWG	0.004	0.102

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