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Reference and Sources:

1. Gauge To Mm Conversion Chart

SWG Dia (mm) SWG Dia (mm) 1 7.6200 26 0.4572 2 7.0104 27 0.4166 3 6.4008 28 0.3759 4 5.8928 29 0.3454 5 5.3848 30 0.3150 6 4.8768 31 0.2946 7 4.4704 32 0.2743. AWG to mm Conversion It is a conversion calculator used to convert the values in American Wire Gauge (AWG) to millimeters (mm). This converter has two text fields and control buttons that are used to execute different actions during the calculations. American Wire Gauge is a standard used in the United States since 1857 for copper, aluminium, gold, silver, etc. It is also known as Brown & Sharpe wire gauge.The more is the gauge number, the smaller is the wire diameter. Wires thicker than gauge 0 are denoted as 00 (or 2/0), 000 (or 3/0), etc. Washburn & Moen Steel Wire Gauge is used in the United States for steel. AWG American Wire Gauge / Diameter / Resistance Used in the United States and other countries as a standard method of denoting wire diameter. The higher the number the thinner the wire. Gauge to MM, Inches If the Birmingham wire gauge has a gauge number of 8, the diameter of the wire will be 0.165 inches and 4.191 mm. For a US standard gauge, it would be 0.1719 inches and 4.37 mm. American Wire Gauge every 6 gauge decrease gives a doubling of the wire diameter, and every 3 gauge decrease doubles the wire cross sectional area – just like calculating dB’s in signal levels. Metric Wire Gauges (see table below).

American Wire Gauge (AWG) & Metric Wire Gauge Wire Sizes; Van den Hul: AWG to Metric Conversion Chart; This table gives closest equivalent size cross references between metric and American wire sizes. In Europe, wire sizes are expressed in cross sectional area in mm² and also as the number of strands of wires of a diameter expressed in mm.

This table gives closest equivalent size cross referencesbetween metric and American wire sizes. In Europe, wire sizes areexpressed in cross sectional area in mm² and also as the number ofstrands of wires of a diameter expressed in mm. For example 7/0.2means 7 strands of wire each 0.2mm diameter. This example has across sectional area of 0.22mm². In America, the commonest systemis the AWG numbering scheme, where the numbers are applied not onlyto individual strands but also to equivalent size bunches ofsmaller strands. For example 24AWG could be made of 1 strands of24AWG wire (1/24) or 7 strands of 32 AWG wire (7/32).
See also: AWG to metricParameter Calculator.

Gauge To Mm Conversion Chart

AWG Number	Ø [Inch]	Ø [mm]	Ø [mm²]
6/0 = 000000	0.580	14.73	170.30
5/0 = 00000	0.517	13.12	135.10
4/0 = 0000	0.460	11.7	107
3/0 = 000	0.410	10.4	85.0
2/0 = 00	0.365	9.26	67.4
1/0 = 0	0.325	8.25	53.5
1	0.289	7.35	42.4
2	0.258	6.54	33.6
3	0.229	5.83	26.7
4	0.204	5.19	21.1
5	0.182	4.62	16.8
6	0.162	4.11	13.3
7	0.144	3.66	10.5
8	0.128	3.26	8.36
9	0.114	2.91	6.63
10	0.102	2.59	5.26
11	0.0907	2.30	4.17
12	0.0808	2.05	3.31
13	0.0720	1.83	2.62
14	0.0641	1.63	2.08
15	0.0571	1.45	1.65
16	0.0508	1.29	1.31
17	0.0453	1.15	1.04
18	0.0403	1.02	0.823
19	0.0359	0.912	0.653
20	0.0320	0.812	0.518
21	0.0285	0.723	0.410
22	0.0253	0.644	0.326
23	0.0226	0.573	0.258
24	0.0201	0.511	0.205
25	0.0179	0.455	0.162
26	0.0159	0.405	0.129
27	0.0142	0.361	0.102
28	0.0126	0.321	0.0810
29	0.0113	0.286	0.0642
30	0.0100	0.255	0.0509
31	0.00893	0.227	0.0404
32	0.00795	0.202	0.0320
33	0.00708	0.180	0.0254
34	0.00631	0.160	0.0201
35	0.00562	0.143	0.0160
36	0.00500	0.127	0.0127
37	0.00445	0.113	0.0100
38	0.00397	0.101	0.00797
39	0.00353	0.0897	0.00632
40	0.00314	0.0799	0.00501