Wire Gauge Conversion

Depending on where you buy your wire different measurements are used to denote the thickness of the wire.
The chart below will enable you to convert quickly from one system to another.

S.W.G. Wire Number	A.W.G.	A.W.G. Metric
(Inches)	(Gauge)	(MM)
0.300	1	7.348
0.276	2	6.543
0.252	3	5.827
0.232	4	5.189
0.2120	5	4.621
0.1920	6	4.115
0.1760	7	3.665
0.1600	8	3.264
0.1440	9	2.906
0.1280	10	2.588
0.1160	11	2,.304
0.1040	12	2.052
0.0920	13	1.829
0.0800	14	1.628
0.0720	15	1.450
0.0640	16	1.291
0.0560	17	1.150
0.0480	18	1.024
0.0400	19	0.9119
0.0360	20	0.8128
0.0320	21	0.7239
0.0280	22	0.6426
0.0240	23	0.5740
0.0220	24	0.5106
0.0200	25	0.4547
0.0180	26	0.4038
0.0164	27	0.3606
0.0148	28	0.3200
0.0136	29	0.2870
0.0124	30	0.2540

SWG = Standard Wire Gauge = Imperial Standard Wire Gauge = British Standard
AWG = American Wire Gauge