Wire 	Dia.	Dia.
gauge	mm. 	in.	
-----	----	----
   0	8.251	.3249
   1	7.348	.2893
   2	6.544	.2576
   3	5.827	.2294
   4	5.189	.2043
   5	4.621	.1819
   6	4.116	.1620
   7	3.665	.1443
   8	3.264	.1288
   9	2.906	.1144
  10	2.588	.1019
  11	2.305	.0907
  12	2.053	.0808
  13	1.828	.0720
  14	1.628	.0641	
  15	1.450	.0571
  16	1.291	.0508
  17	1.150	.0543
  18	1.024	.0403
  19	.9116	.0359
  20	.8118	.0320