SWG wire current rating chart

SWG wire current rating chart

SWG	Max Ampere
1	120
2	102
3	84.7
4	71.8
5	59.9
6	49.2
7	41.3
8	34.1
9	27.6
10	21.8
11	17.9
12	14.4
13	11.3
14	8.53
15	6.91
16	5.46
17	4.18
18	3.07
19	2.13
20	1.73
21	1.37
22	1.05
23	0.768
24	0.645
25	0.533
26	0.432
27	0.359
28	0.292
29	0.247
30	0.205
31	0.179
32	0.156
33	0.133
34	0.113
35	0.094
36	0.077

SWG wire current rating chart

using this chart we can easly calculate current of our project. 

for example if we want to make 1amp transformer then we need 22 swg wire in secondary winding.

if we want to make 10 ampere transformer then we need 13 swg wire in secondary winding as per chart.