# AWG/SWG to mm/mm2, inch/inch2 & kcmil Calculator & Conversion

## AWG and SWG Size Conversion Calculator with Formula, Chart & Table

### Standard Wire Gauge “SWG” Calculator

The following American Wire Gauge “AWG” and Standard Wire Gauge “SWG” calculators will calculate the wire diameter in mm, inches, wire cross sectional area in mm2, inches2 and kcmil or MCM.

To calculate the values, just select or enter the AWG/SWG size and hit the “Calculate” button to get the result of different properties of SWG/AWG cables and wires such as diameter in millimeter “mm” and inches “in”, cross-sectional area in square millimeter “mm2“, square inches “in2” and kilo Circular Mils “kcmil or MCM”.

Related Calculators:

American Wire Gauge Conversin

 Select Gauge #: – – – Select AWG – – –000000000012345678910111213141516171819202122232425262728293031323334353637383940 or Enter Gauge #: AWG Diameter in Millimeters: mm Diameter in Inches: in Cross Aectional Area in Aquare Millimeters: mm2 Cross sectional Area in Square Millimeters: inch2 Cross sectional Area in kilo Circular Mils: kcmil
Standard Wire Gauge Conversion

 Select Gauge #: – – – Select SWG – – –7/06/05/04/03/02/001234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950 Selected Gauge #: SWG Diameter in Millimeters: mm Diameter in Inches: in Cross Sectional Area in Square Millimeters: mm2 Cross sectional area in square millimeters: inch2 Cross Sectional Area in Square Millimeters: kcmil
Good to Know:

• AWG or American Wire Gauge is also known as “Brown and Sharpe Wire Gauge” used in North America for wire sizing.
• SWG or Standard Wire Gauge used for wire sizing and properties is also known as “British Standard Wire Gauge” and “British Standard Gauge” or “Imperial Wire Gauge”.

Related Calculators:

### AWG/SWG Wire Diameter in mm & Inch, Area in mm2, inch2 & kcmil Calculations

The following SWG/AWG wire size conversion formulas and equation can be used to easily measure the values of wires and cables.

Wire Diameter Area in “mm” Calculation

dn = 27 x 10-3 x 92(36-n)/39

Wire Diameter in “inches” Calculation

dn = 5 x 10-3 x 92(36-n)/39

Wire Cross Sectional Area in “mm2” Calculation

An 12.668 x 10-3 x 92(36-n)/19.5

Wire Cross Sectional Area in “icnhes2” Calculation

An = 19635 x 10-6 x 92(36-n)/19.5

Wire Cross Sectional Area in “kcmil” Calculation

An = 0.025 x 92(36-n)/19.5

Where:

• n = Number of the wire gauge size in AWG/SWG.
• d = The wire diameter in inches, mm, inches2, & mm2 respectively.
• An = Cross sectional area of “n” gauge wire size in inches2, “mm2” & kcmil respectively.
• R = Resistance of the wire in Ω/kft & Ω/km respectively.
• ρ = rho = resistivity in (Ω·m).

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### AWG/SWG “mm” & “Inches” Conversion Chart & Table

The following AWG and SWG table shows the SWG/AWG wire sizes gauge numbers and diameter in millimeter and inches, its cross-sectional area in , square millimeters , square inches, and kcmil or MCM.

 AWG Diameter Cross Section Area SWG Diameter Cross Section Area mm inch mm2 Inch2 kcmil mm inch mm2 Inch2 kcmil 0000 (4/0) 11.6840 0.4600 107.2193 0.1662 211.6000 7/0 12.700 0.500 126.6769 0.1963 250 000 (3/0) 10.4049 0.4096 85.0288 0.1318 167.8064 6/0 11.786 0.464 109.0921 0.1691 215 00 (2/0) 9.2658 0.3648 67.4309 0.1045 133.0765 5/0 10.973 0.432 94.5638 0.1466 187 0 (1/0) 8.2515 0.3249 53.4751 0.0829 105.5345 4/0 10.160 0.400 81.0732 0.1257 160 1 7.3481 0.2893 42.4077 0.0657 83.6927 3/0 9.449 0.372 70.1202 0.1087 138 2 6.5437 0.2576 33.6308 0.0521 66.3713 2/0 8.839 0.348 61.3643 0.0951 121 3 5.8273 0.2294 26.6705 0.0413 52.6348 0 8.230 0.324 53.1921 0.0824 105 4 5.1894 0.2043 21.1506 0.0328 41.7413 1 7.620 0.300 45.6037 0.0707 90.0 5 4.6213 0.1819 16.7732 0.0260 33.1024 2 7.010 0.276 38.5989 0.0598 76.2 6 4.1154 0.1620 13.3018 0.0206 26.2514 3 6.401 0.252 32.1780 0.0499 63.5 7 3.6649 0.1443 10.5488 0.0164 20.8183 4 5.893 0.232 27.2730 0.0423 53.8 8 3.2636 0.1285 8.3656 0.0130 16.5097 5 5.385 0.212 22.7735 0.0353 44.9 9 2.9064 0.1144 6.6342 0.0103 13.0927 6 4.877 0.192 18.6793 0.0290 36.9 10 2.5882 0.1019 5.2612 0.0082 10.3830 7 4.470 0.176 15.6958 0.0243 31.0 11 2.3048 0.0907 4.1723 0.0065 8.2341 8 4.064 0.160 12.9717 0.0201 25.6 12 2.0525 0.0808 3.3088 0.0051 6.5299 9 3.658 0.144 10.5071 0.0163 20.7 13 1.8278 0.0720 2.6240 0.0041 5.1785 10 3.251 0.128 8.3019 0.0129 16.4 14 1.6277 0.0641 2.0809 0.0032 4.1067 11 2.946 0.116 6.8183 0.0106 13.5 15 1.4495 0.0571 1.6502 0.0026 3.2568 12 2.642 0.104 5.4805 0.0085 10.8 16 1.2908 0.0508 1.3087 0.0020 2.5827 13 2.337 0.092 4.2888 0.0066 8.46 17 1.1495 0.0453 1.0378 0.0016 2.0482 14 2.032 0.080 3.2429 0.0050 6.40 18 1.0237 0.0403 0.8230 0.0013 1.6243 16 1.626 0.072 2.0755 0.0041 5.18 19 0.9116 0.0359 0.6527 0.0010 1.2881 15 1.829 0.064 2.6268 0.0032 4.10 20 0.8118 0.0320 0.5176 0.0008 1.0215 17 1.422 0.056 1.5890 0.0025 3.14 21 0.7229 0.0285 0.4105 0.0006 0.8101 18 1.219 0.048 1.1675 0.0018 2.30 22 0.6438 0.0253 0.3255 0.0005 0.6424 19 1.016 0.040 0.8107 0.0013 1.60 23 0.5733 0.0226 0.2582 0.0004 0.5095 20 0.914 0.036 0.6567 0.0010 1.30 24 0.5106 0.0201 0.2047 0.0003 0.4040 21 0.813 0.032 0.5189 0.0008 1.02 25 0.4547 0.0179 0.1624 0.0003 0.3204 22 0.711 0.028 0.3973 0.0006 0.784 26 0.4049 0.0159 0.1288 0.00025 0.2541 23 0.610 0.024 0.2919 0.0005 0.576 27 0.3606 0.0142 0.1021 0.00020 0.2015 24 0.559 0.022 0.2452 0.0004 0.484 28 0.3211 0.0126 0.0810 0.00013 0.1598 25 0.5080 0.020 0.2027 0.0003 0.400 29 0.2859 0.0113 0.0642 0.00010 0.1267 26 0.4572 0.018 0.1642 0.00025 0.324 30 0.2546 0.0100 0.0509 0.00008 0.1005 27 0.4166 0.0164 0.1363 0.00021 0.269 31 0.2268 0.0089 0.0404 0.00006 0.0797 28 0.3759 0.0148 0.1110 0.00017 0.219 32 0.2019 0.0080 0.0320 0.00005 0.0632 29 0.3454 0.0136 0.0937 0.00014 0.185 33 0.1798 0.0071 0.0254 0.00004 0.0501 30 0.3150 0.0124 0.0779 0.00012 0.154 34 0.1601 0.0063 0.0201 0.000031 0.0398 31 0.2946 0.0116 0.0682 0.00010 0.135 35 0.1426 0.0056 0.0160 0.000025 0.0315 32 0.2743 0.0108 0.0591 0.00009 0.117 36 0.1270 0.0050 0.0127 0.000020 0.0250 33 0.2540 0.0100 0.0507 0.00008 0.100 37 0.1131 0.0045 0.0100 0.000016 0.0198 34 0.2337 0.0092 0.0429 0.00007 0.0846 38 0.1007 0.0040 0.0080 0.000012 0.0157 35 0.2134 0.0084 0.0358 0.00005 0.0706 39 0.0897 0.0035 0.0063 0.000010 0.0125 36 0.1930 0.0076 0.0293 0.00004 0.0578 40 0.0799 0.0031 0.0050 0.000008 0.0099 37 0.1727 0.0068 0.0234 0.00003 0.0462 . . . . . . . . . . . . . . . . . . 38 0.1524 0.0060 0.0182 0.000028 0.0360 . . . . . . . . . . . . . . . . . . 39 0.1321 0.0052 0.0137 0.000021 0.0270 . . . . . . . . . . . . . . . . . . 40 0.1219 0.0048 0.0117 0.00001809 0.0230 . . . . . . . . . . . . . . . . . . 41 0.1118 0.0044 0.0098 0.00001522 0.0194 . . . . . . . . . . . . . . . . . . 42 0.1016 0.004 0.0081 0.00001257 0.0160 . . . . . . . . . . . . . . . . . . 43 0.0914 0.0036 0.0066 0.00001017 0.0130 . . . . . . . . . . . . . . . . . . 44 0.0813 0.0032 0.0052 0.00000805 0.0102 . . . . . . . . . . . . . . . . . . 45 0.0711 0.0028 0.0040 0.00000615 0.00784 . . . . . . . . . . . . . . . . . . 46 0.0610 0.0024 0.0029 0.00000453 0.00576 . . . . . . . . . . . . . . . . . . 47 0.0508 0.0020 0.0020 0.00000314 0.00400 . . . . . . . . . . . . . . . . . . 48 0.0406 0.0016 0.0013 0.00000201 0.00256 . . . . . . . . . . . . . . . . . . 49 0.0305 0.0012 0.0007 0.00000113 0.00144 . . . . . . . . . . . . . . . . . . 50 0.0254 0.0010 0.0005 0.00000078 0.00100

Here is the AWG and SWG wire size chart in image format if you need to download it for later use.

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