# Online American wire gauge (AWG) size calculator

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# Wire Gauge Size Chart

American wire gauge (AWG) size calculator and chart.

## Wire gauge calculator

* @ 68°F or 20°C

** Results might change with genuine wires: different resistivity of material and number of strands in wire

## AWG chart

AWG # | Diameter (inch) |
Diameter (mm) |
Area (kcmil) |
Area (mm ^{2}) |
---|---|---|---|---|

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 |

## Wire gauge calculations

### Wire distance across calculations

The n measure wire distance across d_{n} in inches (in) is equivalent to 0.005in times 92 raised to the force of 36 less check number n, partitioned by 39:

*d _{n}*

_{ (in)}= 0.005 in × 92

^{(36-n)/39}

The n measure wire width d_{n} in millimeters (mm) is equivalent to 0.127mm times 92 raised to the force of 36 short check number n, separated by 39:

*d _{n}*

_{ (mm)}= 0.127 mm × 92

^{(36-n)/39}

### Wire cross sectional region calculations

The n measure wire's cross sercional region A_{n} in kilo-round mils (kcmil)
is equivalent to multiple times the square wire measurement d in inches (in):

*A _{n}*

_{ (kcmil)}= 1000×

*d*

_{n}

^{2}= 0.025 in

^{2}× 92

^{(36-n)/19.5}

The n measure wire's cross sercional region A_{n} in square inches (in^{2})
is equivalent to pi separated by multiple times the square wire breadth d in inches (in):

*A _{n}*

_{ (in}2

_{)}= (π/4)×

*d*

_{n}

^{2}= 0.000019635 in

^{2}× 92

^{(36-n)/19.5}

The n measure wire's cross sercional region A_{n}
in square millimeters (mm^{2})
is equivalent to pi separated by multiple times the square wire measurement d in millimeters (mm):

*A _{n}*

_{ (mm}2

_{)}= (π/4)×

*d*

_{n}

^{2}= 0.012668 mm

^{2}× 92

^{(36-n)/19.5}

### Wire opposition calculations

The n check wire opposition R in ohms per kilofeet (Ω/kft) is equivalent to 0.3048×1000000000 times the wire's resistivity *ρ* in
ohm-meters (Ω·m) partitioned by 25.4^{2} times the cross sectional region *A _{n}* in square inches (in

^{2}):

*R*_{n (Ω/kft)} = 0.3048 × 10^{9} × *ρ*_{(Ω·m)}/(25.4^{2}
× *A _{n}*

_{ (in}2

_{)})

The n measure wire obstruction R in ohms per kilometer (Ω/km) is equivalent to multiple times the wire's resistivity *ρ* in
ohm-meters (Ω·m) partitioned by the cross sectional region *A _{n}* in square millimeters (mm

^{2}):

*R*_{n (Ω/km)} = 10^{9}
× *ρ*_{(Ω·m)}/*A _{n}*

_{ (mm}2

_{)}

Wire check is a standard unit for estimating the width of the wire and American wire measure, or AWG, is the standard utilized in North America. The width and cross-sectional region of a wire can be found utilizing the wire check and a couple of straightforward formulas.

#### Wire Diameter

The equation to track down the breadth of the wire in inches is:

breadth (in) = .005 × 92^{(36 - AWG) ÷ 39}

The equation to find the distance across of the wire in millimeters is:

distance across (mm) = .127 × 92^{(36 - AWG) ÷ 39}

#### Moves toward Track down the Diameter

First - track down the type in the situation by deducting the wire measure from 36 then separating by 39.

Tracking down the type for 00, 000, and 0000 measure wire is somewhat unique. Substitute - 1, - 2, and - 3 for the check in the equation above rather than the AWG value.

Second - see as 92 to the power determined in the past step.

Third - duplicate the worth from the second step by all things considered .005 inches or .127 mm to track down the distance across of the wire in inches or millimeters respectively.

#### Wire Cross-Sectional Area

The equation to track down the cross-sectional region of the wire in kilo-roundabout mils, or kcmil, is:

region (kcmil) = 1000 × diameter^{2}

The equation to find the cross-sectional region of the wire in square millimeters is:

region (mm^{2}) = (π ÷ 4) × diameter^{2}

#### Moves toward Track down the Cross-Sectional Area

First - track down the distance across of the wire. Utilize the recipe above to compute the width assuming the AWG is known.

Second - duplicate the breadth by 1000 to track down the area in kcmil or by (3.1415 ÷ 4) to compute square millimeters.