Wire Forming Terminology

Wire Gauge Conversion Table

DECIMAL EQUIVALENTS
Fractions Inches Millimeters
1/64 .015625 .39688
1/32 .03125 .79375
3/64 .046875 1.19063
1/16 .0625 1.58750
5/64 .078125 1.98438
3/32 .09375 2.38125
7/64 .109375 2.77813
1/8 .125 3.17500
9/64 .140625 3.57188
5/32 .15625 3.96875
11/64 .171875 4.36563
3/16 .1875 4.76250
13/64 .203125 5.15938
7/32 .21875 5.55625
15/64 .234375 5.95313
1/4 .25 6.35000
17/64 .265625 6.74688
9/32 .28125 7.14375
19/64 .296875 7.54063
5/16 .3125 7.93750
21/64 .328125 8.33438
11/32 .34375 8.73125
23/64 .359375 9.12813
3/8 .375 9.52500
25/64 .390625 9.92188
13/32 .40625 10.31875
27/64 .421875 10.71563
7/16 .4375 11.11250
29/64 .453125 11.50938
15/32 .46875 11.90625
31/64 .484375 12.30313
1/2 .5 12.70000
33/64 .515625 13.09688
17/32 .53125 13.49375
35/64 .546875 13.89063
9/16 .5625 14.28750
37/64 .578125 14.68438
19/32 .59375 15.08125
39/64 .609375 15.47813
5/8 .625 15.87500
41/64 .640625 16.27188
21/32 .65625 16.66875
43/64 .671875 17.06563
11/16 .6875 17.46250
45/64 .703125 17.85938
23/32 .71875 18.25625
47/64 .734375 18.65313
3/4 .75 19.05000
49/64 .765625 19.44688
25/32 .78125 19.84375
51/64 .796875 20.24063
13/16 .8125 20.63750
53/64 .828125 21.03438
27/32 .84375 21.43125
55/64 .859375 21.82813
7/8 .875 22.22500
57/64 .890625 22.62188
29/32 .90625 23.01875
59/64 .921875 23.41563
15/16 .9375 23.81250
61/64 .953125 24.20938
31/32 .96875 24.60625
63/64 .984375 25.00313
1 1. 25.40000

WIRE GAUGES
Wire Gauge Inch Millimeter Threading Blank Diameter Feet/lbs.
.5000 12.70 1.500
7/0 .4900 12.45   1.562
.4687 11.91 1.706
.4655 11.82 1/2-20 Roll Thread 1.730
6/0 .4615 11.72   1.760
.4531 11.51 1.826
.4470 11.35 1/2-13 Roll Thread 1.877
  .4375 11.11   1.959
5/0 .4305 10.93 2.023
.4062 10.32 2.272
  .4030 10.24 7/16-20 Roll Thread 2.309
4/0 .3938 10.00 2.418
.3906 9.922 7/16-14 Roll Thread 2.457
  .3750 9.525   2.666
3/0 .3625 9.208 2.853
.3594 9.128 2.903
  .3460 8.788 3/8-24 Roll Thread 3.132
.3437 8.731 3.173
2/0 .3310 8.407 3/8-16 Roll Thread 3.422
  .3281 8.334   3.482
.3125 7.938 3.839
1/0 .3065 7.785 3.991
  .2969 7.541   4.254
1 .2830 7.188 5/16-24 Roll Thread 4.681
.2812 7.144 4.740
  .2740 6.960 5/16-18 Roll Thread 4.995
.2656 6.747 5.314
2 .2625 6.668 5.441
  .2500 6.350   5.999
3 .2437 6.190 6.313
.2344 5.953 6.825
4 .2253 5.723 1/4-28 Roll Thread 7.386
.2188 5.556 7.835
.2160 5.486 #12 Cut, 1/4-20 Roll Thread 8.038
5 .2070 5.258   8.750
.2031 5.159 9.087
6 .1920 4.877 #12-28 Roll Thread 10.17
  .1875 4.763 #10 Cut, #12-24 Roll Thread 10.66
7 .1770 4.496 11.97
.1719 4.366 12.69
  .1680 4.267 #10-32 Roll Thread 13.28
8 .1620 4.115 #8 Cut, #10-24 Roll Thread 14.29
.1562 3.969 15.36
9 .1483 3.767   17.05
.1420 3.607 #8-32 Roll Thread 18.57
.1406 3.572 18.96
10 .1350 3.429   20.57
.1250 3.175 24.00
11 .1205 3.061 #5 Cut Thread 25.82
  .1160 2.946 #6-32 Roll Thread 27.86
.1080 2.743 #5 Roll, #4 Cut Thread 32.08
12 .1055 2.680 33.69
  .0937 2.381 #4-40 Roll Thread 42.66
13 .0915 2.324 44.78
14 .0800 2.032 58.58
  .0781 1.984   61.43
15 .0720 1.829 72.32
16 .0625 1.588 95.98
17 .0540 1.372   128.6
18 .0475 1.207 166.2
.0469 1.191 170.6
19 .0410 1.041   223.0
20 .0348 .8839 309.6