SWG AWG Wire Gauge diameter Resistance Calculator

SWG-AWG  Wire Weight-Resistance Calculator

*Helpful Charts

Untinned copper wires
Stranded tinned copper wires SWG to AWG Conversion

See also

• American Wire Gauge (AWG), used primarily in the US and Canada
• Standard Wire Gauge (SWG), the British imperial standard BS3737
• Circular mil, Electrical industry standard for wires larger than 4/0.
• Jewelry wire gauge
• Body jewelry sizes

American Wire Gauge - Untinned copper wires

AWG standard notation Nominal diameter Cross-section area, mm X mm Running weight Running resistance mm inch g/m lb/1000 ft ohm/m ohm/1000 ft 10 2.600 0.1024 5.309 46.77 31.43 0.0033 0.999 11 2.300 0.0906 4.155 37.09 24.92 0.0041 1.260 12 2.050 0.0807 3.301 29.42 19.77 0.0052 1.588 13 1.830 0.0720 2.630 23.33 15.68 0.0066 2.003 14 1.630 0.0642 2.087 18.50 12.43 0.0083 2.525 15 1.450 0.0571 1.651 14.67 9.858 0.0104 3.184 16 1.290 0.0508 1.307 11.63 7.818 0.0132 4.016 17 1.150 0.0453 1.039 9.23 6.200 0.0166 5.064 18 1.020 0.0402 0.817 7.32 4.917 0.0209 6.385 19 0.912 0.0359 0.653 5.80 3.899 0.026 8.051 20 0.813 0.0320 0.519 4.60 3.092 0.033 10.15 21 0.724 0.0285 0.412 3.65 2.452 0.042 12.80 22 0.643 0.0253 0.325 2.89 1.945 0.053 16.14 23 0.574 0.0226 0.259 2.29 1.542 0.067 20.36 24 0.511 0.0201 0.205 1.82 1.223 0.084 25.67 25 0.455 0.0179 0.163 1.44 0.9699 0.106 32.37 26 0.404 0.0159 0.128 1.14 0.7692 0.134 40.81 27 0.361 0.0142 0.102 0.908 0.6100 0.169 51.47 28 0.320 0.0126 0.080 0.720 0.4837 0.213 64.90 29 0.287 0.0113 0.065 0.571 0.3836 0.268 81.83 30 0.254 0.0100 0.051 0.453 0.3042 0.339 103.2 31 0.226 0.0089 0.040 0.359 0.2413 0.427 130.1 32 0.203 0.0080 0.032 0.285 0.1913 0.538 164.1 33 0.180 0.0071 0.025 0.226 0.1517 0.679 206.9 34 0.160 0.0063 0.020 0.179 0.1203 0.856 260.9 35 0.142 0.0056 0.016 0.142 0.09542 1.086 331.0 36 0.127 0.0050 0.013 0.113 0.07568 1.361 414.8 37 0.114 0.0045 0.010 0.091 0.06130 1.680 512.1 38 0.102 0.0040 0.008 0.071 0.04759 2.128 648.6 39 0.089 0.0035 0.006 0.056 0.03774 2.781 847.8 40 0.079 0.0031 0.005 0.045 0.02993 3.543 1080.0 AWG standard notation mm inch Cross-section area mm X mm g/m lb/1000 ft ohm/m ohm/1000 ft Nominal diameter Running weight Running resistance Adjusted average wire diameter is calculated from the formula, as follows: