Calculadora e tabela de bitolas de fio americano (AWG).
* @ 68°F ou 20°C
** Diâmetro and cross sectional area do not polclude the pol²sulation.
*** Results may change with real wires: different resistivity of material and number of strands pol wire
Calculadora de queda de tensão
| AWG # | Diâmetro (polch) |
Diâmetro (mm²) |
Área (kcmil) |
Área (mm²2) |
|---|---|---|---|---|
| 0000 (4/0) | 0,4600 | 11,6840 | 211,6000 | 107,2193 |
| 000 (3/0) | 0,4096 | 10,4049 | 167,8064 | 85,0288 |
| 00 (2/0) | 0,3648 | 9,2658 | 133,0765 | 67,4309 |
| 0 (1/0) | 0,3249 | 8,2515 | 105,5345 | 53,4751 |
| 1 | 0,2893 | 7,3481 | 83,6927 | 42,4077 |
| 2 | 0,2576 | 6,5437 | 66,3713 | 33,6308 |
| 3 | 0,2294 | 5,8273 | 52,6348 | 26,6705 |
| 4 | 0,2043 | 5,1894 | 41,7413 | 21,1506 |
| 5 | 0,1819 | 4,6213 | 33,1024 | 16,7732 |
| 6 | 0,1620 | 4,1154 | 26,2514 | 13,3018 |
| 7 | 0,1443 | 3,6649 | 20,8183 | 10,5488 |
| 8 | 0,1285 | 3,2636 | 16,5097 | 8,3656 |
| 9 | 0,1144 | 2,9064 | 13,0927 | 6,6342 |
| 10 | 0,1019 | 2,5882 | 10,3830 | 5,2612 |
| 11 | 0,0907 | 2,3048 | 8,2341 | 4,1723 |
| 12 | 0,0808 | 2,0525 | 6,5299 | 3,3088 |
| 13 | 0,0720 | 1,8278 | 5,1785 | 2,6240 |
| 14 | 0,0641 | 1,6277 | 4,1067 | 2,0809 |
| 15 | 0,0571 | 1,4495 | 3,2568 | 1,6502 |
| 16 | 0,0508 | 1,2908 | 2,5827 | 1,3087 |
| 17 | 0,0453 | 1,1495 | 2,0482 | 1,0378 |
| 18 | 0,0403 | 1,0237 | 1,6243 | 0,8230 |
| 19 | 0,0359 | 0,9116 | 1,2881 | 0,6527 |
| 20 | 0,0320 | 0,8118 | 1,0215 | 0,5176 |
| 21 | 0,0285 | 0,7229 | 0,8101 | 0,4105 |
| 22 | 0,0253 | 0,6438 | 0,6424 | 0,3255 |
| 23 | 0,0226 | 0,5733 | 0,5095 | 0,2582 |
| 24 | 0,0201 | 0,5106 | 0,4040 | 0,2047 |
| 25 | 0,0179 | 0,4547 | 0,3204 | 0,1624 |
| 26 | 0,0159 | 0,4049 | 0,2541 | 0,1288 |
| 27 | 0,0142 | 0,3606 | 0,2015 | 0,1021 |
| 28 | 0,0126 | 0,3211 | 0,1598 | 0,0810 |
| 29 | 0,0113 | 0,2859 | 0,1267 | 0,0642 |
| 30 | 0,0100 | 0,2546 | 0,1005 | 0,0509 |
| 31 | 0,0089 | 0,2268 | 0,0797 | 0,0404 |
| 32 | 0,0080 | 0,2019 | 0,0632 | 0,0320 |
| 33 | 0,0071 | 0,1798 | 0,0501 | 0,0254 |
| 34 | 0,0063 | 0,1601 | 0,0398 | 0,0201 |
| 35 | 0,0056 | 0,1426 | 0,0315 | 0,0160 |
| 36 | 0,0050 | 0,1270 | 0,0250 | 0,0127 |
| 37 | 0,0045 | 0,1131 | 0,0198 | 0,0100 |
| 38 | 0.0040 | 0.1007 | 0.0157 | 0,0080 |
| 39 | 0.0035 | 0.0897 | 0.0125 | 0,0063 |
| 40 | 0.0031 | 0.0799 | 0.0099 | 0,0050 |
O diâmetro do fio de bitola n dn pol pol²ches (in) is equal to 0.005in times 92 raised to the power of 36 minus gauge number n, divided by 39:
dn (pol) = 0.005 pol × 92(36-n)/39
O diâmetro do fio de bitola n dn pol millimeters (mm²) is equal to 0.127mm times 92 raised to the power of 36 mpol²us gauge number n, divided by 39:
dn (mm²) = 0.127 mm² × 92(36-n)/39
A área de seção transversal do fio de bitola n An pol kilo-circular mils (kcmil) is equal to 1000 times the square wire diameter d pol² inches (in):
An (kcmil) = 1000×dn2 = 0.025 pol2 × 92(36-n)/19,5
A área de seção transversal do fio de bitola n An pol square pol²ches (in2) is equal to pi divided by 4 times the square wire diameter d pol pol²ches (in):
An (pol2) = (π/4)×dn2 = 0.000019635 pol2 × 92(36-n)/19,5
A área de seção transversal do fio de bitola n An pol square millimeters (mm²2) is equal to pi divided by 4 times the square wire diameter d pol millimeters (mm²):
An (mm²2) = (π/4)×dn2 = 0,012668 mm²2 × 92(36-n)/19,5
The n gauge wire resistance R pol ohms per kilofeet (Ω/kft) is equal to 0.3048×1000000000 times the wire's resistivity ρ pol ohm-meters (Ω·m) dividido por 25,42 vezes a área da seção transversal An pol square pol²ches (in2):
Rn (Ω/kft) = 0,3048 × 109 × ρ(Ω·m) / (25,42 × An (pol2))
The n gauge wire resistance R pol ohms per kilometer (Ω/km) is equal to 1000000000 times the wire's resistivity ρ pol ohm-meters (Ω·m) dividido pela área da seção transversal An pol square millimeters (mm²2):
Rn (Ω/km) = 109 × ρ(Ω·m) / An (mm²2)
