ETCO has developed a guide to conversions and formulas to help you address problem points and questions. Reference the guide to see relevant conversions as well as formulas.
Mass | You can find: | If you multiply by: |
ounces | grams | 28 |
pounds | kilograms | 0.45 |
short tons | megagrams (metric tons) | 0.9 |
grams | ounces | 0.035 |
kilograms | pounds | 2.2 |
megagrams (metric tons) | short tons | 1.1 |
Inch | Decimal Inch | Millimeter |
1/64 | 0.015625 | 0.396785 |
1/32 | 0.03125 | 0.79375 |
3/64 | 0.046875 | 1.190625 |
1/16 | 0.0625 | 1.5875 |
5/64 | 0.078125 | 1.984375 |
3/32 | 0.09375 | 2.38125 |
7/64 | 0.109375 | 2.778125 |
1/8 | 0.125 | 3.175 |
9/64 | 0.140625 | 3.571875 |
5/32 | 0.15625 | 3.96875 |
11/64 | 0.171875 | 4.365625 |
3/16 | 0.1875 | 4.7625 |
13/64 | 0.203125 | 5.159375 |
7/32 | 0.21875 | 5.55625 |
15/64 | 0.234375 | 5.953125 |
1/4 | 0.25 | 6.35001 |
17/64 | 0.265625 | 6.746875 |
9/32 | 0.28152 | 7.14375 |
19/64 | 0.296875 | 7.540625 |
5/16 | 0.3125 | 7.9375 |
21/64 | 0.328125 | 8.334375 |
11/32 | 0.34375 | 8.73125 |
23/64 | 0.359375 | 9.128125 |
3/8 | 0.375 | 9.525 |
25/64 | 0.390625 | 9.921875 |
13/32 | 0.40625 | 10.31875 |
27/64 | 0.421875 | 10.715625 |
7/ 16 | 0.4375 | 11.1125 |
29/64 | 0.453125 | 11.509375 |
15/32 | 0.46875 | 11.90625 |
31/64 | 0.484375 | 12.303125 |
1 /2 | 0.50 | 12.7 |
33/64 | 0.515625 | 13.096875 |
17/32 | 0.53125 | 13.49375 |
35/64 | 0.546875 | 13.890625 |
9/16 | 0.5625 | 14.2875 |
37/64 | 0.578125 | 14.684375 |
19/32 | 0.59375 | 15.08125 |
39/64 | 0.609375 | 15.478125 |
5/8 | 0.625 | 15.875 |
41 /64 | 0.640625 | 16.271875 |
21/32 | 0.65625 | 16.66875 |
43/64 | 0.671875 | 17.065625 |
11/16 | 0.6875 | 17.4625 |
45/64 | 0.703125 | 17.859375 |
23/32 | 0.71875 | 18.25625 |
47/64 | 0.734375 | 18.653125 |
3/4 | 0.75 | 19.05 |
49/64 | 0.765525 | 19.446875 |
25/32 | 0.78125 | 19.84375 |
51/64 | 0.796875 | 20.240625 |
13/16 | 0.8125 | 20.6375 |
53/64 | 0.828125 | 21.034375 |
27/32 | 0.84375 | 21.43125 |
55/64 | 0.859375 | 21.828125 |
7/8 | 0.875 | 22.225 |
57/64 | 0.890625 | 22.621875 |
29/32 | 0.90625 | 23.01875 |
59164 | 0.921875 | 23.415625 |
15/16 | 0.9375 | 23.8125 |
61/64 | 0.953125 | 24.209375 |
31/32 | 0.96875 | 24.60625 |
63/64 | 0.984375 | 25.003125 |
1 | 1.00000 | 25.4 |
Wire | Strands | CMA | Total | |
Size | ||||
AWG | Number | Diameter | Diameter | |
#26 | 1 | 0.0159 | 254 | 0.016 |
#26 | 8 | 0.0056 | 252 | 0.018 |
#26 | 10 | 0.005 | 250 | 0.018 |
#25 | 1 | 0.0179 | 320 | 0.018 |
#25 | 10 | 0.0056 | 315 | 0.02 |
#25 | 8 | 0.0063 | 318 | 0.021 |
#24 | 1 | 0.0201 | 404 | 0.02 |
#24 | 8 | 0.0071 | 398 | 0.023 |
#24 | 10 | 0.0063 | 398 | 0.023 |
#24 | 7 | 0.008 | 448 | 0.024 |
#23 | 1 | 0.0226 | 510 | 0.023 |
#23 | 10 | 0.0071 | 501 | 0.026 |
#23 | 8 | 0.008 | 506 | 0.026 |
#22 | 1 | 0.0253 | 642 | 0.025 |
#22 | 21 | 0.005 | 525 | 0.025 |
#22 | 6 | .0lD | 600 | 0.028 |
#22 | 8 | 0.0089 | 632 | 0.029 |
#22 | 10 | 0.008 | 638 | 0.029 |
#22 | 7 | .0lD | 700 | 0.03 |
#22 | 16 | 0.0063 | 636 | 0.029 |
#20 | 1 | 0.032 | 1024 | 0.032 |
#20 | 19 | 0.007 | 950 | 0.036 |
#20 | 7 | 0.012 | 1025 | 0.036 |
#20 | 26 | 0.0063 | 1035 | 0.039 |
#20 | 10 | 0.01 | 1005 | 0.04 |
#20 | 7 | 0.0126 | 1120 | 0.04 |
#18 | 1 | 0.04 | 1600 | 0.04 |
#18 | 19 | 0.0092 | 1607 | 0.046 |
#18 | 7 | 0.0153 | 1639 | 0.046 |
#18 | 65 | 0.005 | 1625 | 0.048 |
#18 | 16 | 0.01 | 1616 | 0.049 |
#18 | 41 | 0.0063 | 1640 | 0.049 |
#18 | 7 | 0.0152 | 1779 | 0.05 |
Wire | Strands | CMA | |
Size | |||
AWG | Number | Diameter | |
#16 | 1 | 0.0508 | 2583 |
#16 | 7 | 0.0192 | 2580 |
#16 | 19 | 0.0117 | 2601 |
#16 | 65 | 0.0063 | 2587 |
#16 | 105 | 0.005 | 2625 |
#16 | 19 | 0.0117 | 2409 |
#16 | 26 | 0.01 | 2625 |
#14 | 1 | 0.064 | 4107 |
#14 | 37 | 0.0105 | 4081 |
#14 | 7 | 0.0242 | 4099 |
#14 | 105 | 0.0063 | 4179 |
#14 | 19 | 0.0147 | 4106 |
CMA | Nominal Wire Size | Strands Diameter | Approximate Conductor Diameter | ||||
AWG | mm2 | No. | Inch | mm | Inch | mm | |
159 | 28 | 0.08 | 1 | 0.0126 | 0.32 | 0.013 | 0.32 |
175 | 28 | 0.09 | 7 | 0.005 | 0.127 | 0.015 | 0.38 |
181.5 | 28 | 0.09 | 19 | 0.0031 | 0.079 | 0.016 | 0.4 |
198 | 27 | 0.1 | 51 | 0.002 | 0.05 | 0.016 | 0.42 |
202 | 27 | 0.1 | 1 | 0.0142 | 0.361 | 0.014 | 0.36 |
238 | 26 | 0.12 | 6 | 0.0063 | 0.16 | 0.018 | 0.46 |
250 | 26 | 0.13 | 10 | 0.005 | 0.127 | 0.018 | 0.46 |
250 | 26 | 0.13 | 26 | 0.0031 | 0.079 | 0.018 | 0.46 |
251 | 26 | 0.13 | 8 | 0.0056 | 0.142 | 0.018 | 0.46 |
253 | 26 | 0.13 | 1 | 0.0159 | 0.404 | 0.016 | 0.4 |
256 | 26 | 0.13 | 16 | 0.004 | 0.1 | 0.018 | 0.46 |
278 | 26 | 0.14 | 7 | 0.0063 | 0.16 | 0.019 | 0.48 |
279 | 26 | 0.14 | 72 | 0.002 | 0.05 | 0.022 | 0.56 |
279 | 26 | 0.14 | 18 | 0.0039 | 0.102 | 0.022 | 0.56 |
300 | 26 | 0.15 | 3 | 0.01 | 0.254 | 0.02 | 0.51 |
304 | 26 | 0.15 | 19 | 0.004 | 0.1 | 0.02 | 0.51 |
314 | 25 | 0.16 | 1 | 0.0177 | 0.45 | 0.018 | 0.45 |
314 | 25 | 0.16 | 10 | 0.0056 | 0.142 | 0.02 | 0.51 |
318 | 25 | 0.16 | 8 | 0.0063 | 0.16 | 0.021 | 0.53 |
320 | 25 | 0.16 | 1 | 0.0179 | 0.455 | 0.018 | 0.46 |
388 | 24 | 0.2 | 1 | 0.0197 | 0.5 | 0.02 | 0.5 |
395 | 24 | 0.2 | 102 | 0.002 | 0.05 | 0.02 | 0.51 |
397 | 24 | 0.2 | 10 | 0.0063 | 0.16 | 0.023 | 0.58 |
400 | 24 | 0.2 | 16 | 0.005 | 0.127 | 0.023 | 0.58 |
400 | 14 | 0.2 | 4 | 0.01 | 0.254 | 0.023 | 0.58 |
403 | 24 | 0.2 | 8 | 0.0071 | 0.18 | 0.023 | 0.58 |
404 | 24 | 0.2 | 1 | 0.0201 | 0.51 | 0.02 | 0.51 |
408 | 24 | 0.2 | 13 | 0.0056 | 0.142 | 0.023 | 0.58 |
475 | 24 | 0.2 | 19 | 0.005 | 0.127 | 0.023 | 0.58 |
634 | 22 | 0.3 | 8 | 0.0089 | 0.226 | 0.029 | 0.74 |
635 | 22 | 0.3 | 16 | 0.0063 | 0.16 | 0.029 | 0.74 |
640 | 22 | 3 | 10 | 0.008 | 0.203 | 0.029 | 0.74 |
640 | 22 | 0.3 | 1 | 0.0253 | 0.643 | 0.025 | 0.64 |
650 | 22 | 0.3 | 26 | 0.005 | 0.127 | 0.033 | 0.84 |
700 | 22 | 0.4 | 7 | 0.01 | 0.254 | 0.03 | 0.76 |
754 | 22 | 0.4 | 19 | 0.0063 | 0.16 | 0.033 | 0.84 |
812 | 21 | 0.4 | 1 | 0.0285 | 0.724 | 0.029 | 0.72 |
992 | 20 | 0.5 | 1 | 0.0315 | 0.81 | 0.032 | 0.8 |
992 | 20 | 0.5 | 16 | 0.008 | 0.203 | 0.039 | 1 |
992 | 20 | 0.5 | 256 | 0.002 | 0.05 | 0.039 | 1 |
1003 | 20 | 0.5 | 20 | 0.0071 | 0.18 | 0.039 | 1 |
1000 | 20 | 0.5 | 10 | 0.01 | 0.254 | 0.038 | 0.97 |
1020 | 20 | 0.5 | 1 | 0.032 | 0.813 | 0.032 | 0.81 |
1025 | 20 | 0.5 | 41 | 0.005 | 0.127 | 0.038 | 0.97 |
1032 | 20 | 0.5 | 26 | 0.0063 | 0.16 | 0.039 | 0.99 |
1111 | 20 | 0.6 | 7 | 0.0126 | 0.32 | 0.039 | 0.99 |
1186 | 20 | 0.6 | 19 | 0.0079 | 0.201 | 0.041 | 1.04 |
1289 | 19 | 0.6 | 1 | 0.0359 | 0.912 | 0.036 | 0.91 |
1485 | 18 1/2 | 0.75 | 7 | 0.0146 | 0.37 | 0.047 | 1.2 |
1488 | 18 1/2 | 0.75 | 24 | 0.008 | 0.2 | 0.047 | 1.2 |
1488 | 18 1/2 | 0.75 | 384 | 0.002 | 0.05 | 0.047 | 1.2 |
1504 | 18 1/2 | 0.75 | 30 | 0.0071 | 0.18 | 0.047 | 1.2 |
1600 | 18 | 0.8 | 16 | 0.01 | 0.254 | 0.049 | 1.24 |
1608 | 18 | 0.8 | 19 | 0.0092 | 0.234 | 0.049 | 1.24 |
1617 | 18 | 0.8 | 7 | 0.0152 | 0.386 | 0.042 | 1.07 |
1614 | 18 | 0.8 | 1 | 0.0403 | 1.024 | 0.04 | 1.02 |
1625 | 18 | 0.8 | 65 | 0.005 | 0.127 | 0.04 | 1.02 |
1627 | 18 | 0.8 | 41 | 0.0063 | 0.16 | 0.049 | 1.24 |
1639 | 18 | 0.8 | 7 | 0.0153 | 0.389 | 0.042 | 1.06 |
1792 | 18 | 0.9 | 7 | 0.0159 | 0.404 | 0.048 | 1.22 |
1900 | 18 | 1 | 19 | 0.01 | 0.254 | 0.052 | 1.32 |
1972 | 17 | 1 | 1 | 0.0445 | 1.13 | 0.045 | 1.13 |
1984 | 17 | 1 | 32 | 0.008 | 0.203 | 0.047 | 1.2 |
1984 | 17 | 1 | 512 | 0.002 | 0.05 | 0.049 | 1.25 |
2004 | 17 | 1 | 7 | 0.0169 | 0.43 | 0.047 | 1.2 |
2052 | 17 | 1 | 1 | 0.0453 | 1.151 | 0.045 | 1.15 |
2426 | 16 | 1.2 | 19 | 0.0113 | 0.287 | 0.061 | 1.55 |
2510 | 16 | 1.25 | 50 | 0.0071 | 0.18 | 0.059 | l.50 |
2537 | 16 | 1.25 | 16 | 0.0126 | 0.32 | 0.059 | 1.5 |
CMA | Nominal Wire Size | Strands Diameter | Approximate Conductor Diameter | ||||
AWG | mm2 | No. | Inch | mm | Inch | mm | |
2580 | 16 | 1.3 | 65 | 0.0063 | 0.16 | 0.059 | l.50 |
2581 | 16 | 1.3 | 1 | 0.0508 | 1.29 | 0.051 | 1.29 |
2600 | 16 | 1.3 | 26 | 0.01 | 0.254 | 0.061 | l.55 |
2625 | 16 | 1.3 | 105 | 0.005 | 0.127 | 0.059 | 1.5 |
2800 | 16 | 1.4 | 7 | 0.02 | 0.508 | 0.061 | 1.55 |
2906 | 15 1/2 | 1.5 | 30 | 0.01 | 0.254 | 0.059 | 1.5 |
2934 | 15 1/2 | l.5 | 7 | 0.0205 | 0.52 | 0.059 | 1.5 |
2952 | 15 1/2 | 1.5 | 1 | 0.0543 | 1.38 | 0.054 | 1.38 |
2974 | 15 1/2 | 1.5 | 392 | 0.0028 | 0.07 | 0.061 | 1.55 |
3260 | 15 | 1.6 | 1 | 0.0571 | 1.45 | 0.057 | 1.45 |
3831 | 14 | 2 | 19 | 0.0142 | 0.36 | 0.076 | 1.93 |
3902 | 14 | 2 | 7 | 0.0236 | 0.6 | 0.071 | 1.8 |
4079 | 14 | 2 | 37 | 0.0105 | 0.266 | 0.073 | 1.85 |
4099 | 14 | 2 | 7 | 0.0242 | 0.614 | 0.076 | 1.93 |
4100 | 14 | 2 | 41 | .Qloo | 0.254 | 0.077 | 1.96 |
4106 | 14 | 2 | 19 | 0.0147 | 0.373 | 0.076 | 1.93 |
4109 | 14 | 2 | 1 | 0.0641 | 1.628 | 0.064 | 1.63 |
4123 | 14 | 2 | 26 | 0.0126 | 0.32 | 0.075 | 1.9 |
4167 | 14 | 2 | 105 | 0.0063 | 0.16 | 0.073 | 1.85 |
4234 | 14 | 2 | 84 | 0.0071 | 0.18 | 0.074 | 1.85 |
4844 | 13 1/2 | 2.5 | 50 | 0.0098 | 0.25 | 87 | 2.2 |
4871 | 13 1/2 | 2.5 | 7 | 0.0263 | 0.67 | 0.079 | 2.01 |
4935 | 13 1/2 | 2.5 | I | 0.0701 | 1.78 | 0.07 | 1.78 |
5184 | 13 | 26 | 1 | 0.072 | 1.83 | 0.072 | 1.83 |
6088 | 12 | 3 | 19 | 0.0179 | 0.45 | 0.096 | 2.44 |
6475 | 12 | 3 | 259 | 0.005 | 0.13 | 0.105 | 2.67 |
6500 | 12 | 3 | 65 | 0.01 | 0.25 | 0.096 | 2.44 |
6501 | 12 | 3 | 41 | 0.0126 | 0.32 | 0.094 | 2.4 |
6503 | 12 | 3 | 19 | 0.0185 | 0.47 | 0.092 | 2.34 |
6512 | 12 | 3 | 7 | 0.0305 | 0.77 | 0.086 | 2.18 |
6529 | 12 | 3 | 1 | 0.0808 | 2.05 | 0.081 | 2.05 |
6545 | 12 | 3 | 37 | 0.0133 | 0.34 | 0.093 | 2.36 |
6549 | 12 | 3 | 165 | 0.0062 | 16 | 0.095 | 2.41 |
6654 | 12 | 3 | 84 | 0.0089 | 0.23 | 0.094 | 2.4 |
6939 | 11 1/2 | 3.5 | 7 | 0.0315 | 0.8 | 0.094 | 2.4 |
7812 | 11 1/2 | 4 | 56 | 0.0012 | 0.03 | 0.102 | 2.6 |
7839 | 11 1/2 | 4 | 7 | 0.0335 | 0.85 | 0.1 | 2.55 |
7896 | 11 1/2 | 4 | 1 | 0.1004 | 2.55 | 0.1 | 2.55 |
7963 | 11 1/2 | 4 | 19 | 0.0205 | 0.52 | 0.101 | 2.57 |
8227 | 11 | 4 | 1 | 0.0907 | 2.3 | 0.091 | 2.3 |
9072 | 10 | 5 | 7 | 0.036 | 0.91 | 0.096 | 2.44 |
9472 | 10 | 5 | 37 | 0.016 | 0.41 | 0.109 | 2.77 |
10309 | 10 | 5 | 65 | 0.0126 | 0.32 | 0.118 | 3 |
10319 | 10 | 5 | 37 | 0.0167 | 0.42 | 0.109 | 2.77 |
10365 | 10 | 5 | 41 | 0.0159 | 0.4 | 0.122 | 3.1 |
10370 | 10 | 5 | 7 | 0.0385 | 0.98 | 0.096 | 2.44 |
10384 | 10 | 5 | 1 | 0.1019 | 2.59 | 0.102 | 2.59 |
10404 | 10 | 5 | 19 | 0.0234 | 0.59 | 0.117 | 2.97 |
10500 | 10 | 5.5 | 105 | 0.01 | 0.25 | 0.116 | 2.95 |
10842 | 10 | 55 | 7 | 0.0394 | 1 | 0.118 | 3 |
11718 | 10 | 6 | 84 | 0.0118 | 0.3 | 0.13 | 3.3 |
11735 | 10 | 6 | 7 | 0.0409 | 1.04 | 0.128 | 3.25 |
11844 | 10 | 6 | 1 | 0.1087 | 2.76 | 0.109 | 2.76 |
12063 | 10 | 6 | 19 | 0.0252 | 0.64 | 0.126 | 3.2 |
12943 | 9 | 6.5 | 7 | 0.043 | 1.09 | 0.13 | 3.3 |
13087 | 9 | 6.5 | 1 | 0.1144 | 2.91 | 0.114 | 2.9 |
13125 | 9 | 7 | 525 | 0.005 | 0.13 | 0.14 | 3.56 |
14175 | 8 | 7 | 7 | 0.045 | 1.14 | 0.146 | 3.71 |
15105 | 8 | 7.5 | 19 | 0.0275 | 0.7 | 0.145 | 3.68 |
15612 | 8 | 8 | 7 | 0.0472 | 1.2 | 0.142 | 3.6 |
15681 | 8 | 8 | 50 | 0.0177 | 0.45 | 0.146 | 3.7 |
16387 | 8 | 8 | 13 | 0.0111 | 0.28 | 0.167 | 4.211 |
16434 | 8 | 8 | 7 | 0.0486 | 1.23 | 0.146 | 3.71 |
16473 | 8 | 8 | 37 | 0.0211 | 0.54 | 0.15 | 3.81 |
16512 | 8 | 8 | 1 | 0.1285 | 3.26 | 0.129 | 3.26 |
16535 | 8 | 8 | 19 | 0.0295 | 0.75 | 0.148 | 3.76 |
16589 | 8 | 8 | 49 | 0.0184 | 0.47 | 0.15 | 3.81 |
16983 | 8 | 85 | 133 | 0.0113 | 0.29 | 0.167 | 4.24 |