Size Conversion Table

Nickel Alloy Wire

Electrical Resistance Wire

Alloy Wire Selector

Wire Size Conversion Chart

GAUGE	SWG		B&S / AWG			GAUGE	SWG		B&S / AWG
GAUGE	inch	mm	inch	mm		GAUGE	inch	mm	inch	mm
7/0	.500	12.70	–	–		23	.024	0.610	.0226	.0574
6/0	.464	11.79	.580	14.73		24	.022	0.559	.020	0.508
5/0	.432	10.97	.5165	13.12		25	.020	0.508	.018	0.457
4/0	.400	10.16	.460	11.68		26	.018	0.457	.01595	0.405
3/0	.372	9.45	.4095	10.40		27	.0164	0.417	.0142	0.361
2/0	.348	8.84	.365	9.27		28	.0148	0.376	.01265	0.321
0	.324	8.23	.325	8.26		29	.0136	0.345	.0113	0.287
1	.300	7.62	.2895	7.35		30	.0124	0.312	.010	0.254
2	.276	7.01	.2575	6.54		31	.0116	0.295	.00895	0.227
3	.252	6.40	.2295	5.83		32	.0108	0.274	.00795	0.202
4	.232	5.89	.204	5.18		33	.010	0.254	.0071	0.180
5	.212	5.39	.182	4.62		34	.0092	0.234	.0063	0.160
6	.192	4.88	.162	4.11		35	.0084	0.213	.0056	0.142
7	.176	4.47	.144	3.66		36	.0076	0.193	.005	0.127
8	.160	4.06	.1285	3.26		37	.0068	0.173	.00445	0.113
9	.144	3.66	.114	2.90		38	.006	0.152	.00395	0.100
10	.128	3.25	.102	2.59		39	.0052	0.132	.00353	0.090
11	.116	2.95	.091	2.31		40	.0048	0.122	.00315	0.080
12	.104	2.64	.0808	2.05		41	.0044	0.112	.0028	0.071
13	.092	2.34	.072	1.83		42	.004	0.102	.0025	0.064
14	.080	2.03	.0642	1.63		43	.0036	0.091	.0022	0.056
15	.072	1.83	.0571	1.45		44	.0032	0.081	.002	0.051
16	.064	1.63	.0508	1.29		45	.0028	0.071	.0018	0.046
17	.056	1.42	.0453	1.15		46	.0024	0.061	.0016	0.041
18	.048	1.22	.0403	1.02		47	.002	0.051	.0014	0.036
19	.040	1.02	.036	0.914		48	.0016	0.041	.0012	0.030
20	.036	0.914	.032	0.813		49	.0012	0.031	.0011	0.028
21	.032	0.813	.0285	0.724		50	.001	0.025	–	–
22	.028	0.711	.0253	0.643

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