AWG to mm Calculator
AWG to mm Conversion Calculator & Chart (1 to 40 AWG + 0000 Series)
Easily convert American Wire Gauge (AWG) sizes to their metric equivalents in millimeters (mm) and square millimeters (mm²) using our reliable and mobile-friendly tool. Whether you’re working with electrical wiring, electronics, or industrial cabling, this comprehensive calculator helps you quickly find wire diameter and cross-sectional area from AWG 0000 (4/0) down to AWG 40.
This page is a must-have for electricians, engineers, DIYers, and hobbyists looking for:
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AWG to mm conversion
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mm² to AWG reverse lookup
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AWG wire diameter chart
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Metric wire sizing standards
Our up-to-date AWG to mm chart is accurate, fast, and SEO optimized to help you find exactly what you need on any device.
AWG to mm Conversion Chart
| AWG # | Diameter (mm) | Diameter (inch) | Area (mm²) |
|---|---|---|---|
| 0000 (4/0) | 11.6840 | 0.4600 | 107.2193 |
| 000 (3/0) | 10.4049 | 0.4096 | 85.0288 |
| 00 (2/0) | 9.2658 | 0.3648 | 67.4309 |
| 0 (1/0) | 8.2515 | 0.3249 | 53.4751 |
| 1 | 7.3481 | 0.2893 | 42.4077 |
| 2 | 6.5437 | 0.2576 | 33.6308 |
| 3 | 5.8273 | 0.2294 | 26.6705 |
| 4 | 5.1894 | 0.2043 | 21.1506 |
| 5 | 4.6213 | 0.1819 | 16.7732 |
| 6 | 4.1154 | 0.1620 | 13.3018 |
| 7 | 3.6649 | 0.1443 | 10.5488 |
| 8 | 3.2636 | 0.1285 | 8.3656 |
| 9 | 2.9064 | 0.1144 | 6.6342 |
| 10 | 2.5882 | 0.1019 | 5.2612 |
| 11 | 2.3048 | 0.0907 | 4.1723 |
| 12 | 2.0525 | 0.0808 | 3.3088 |
| 13 | 1.8278 | 0.0720 | 2.6240 |
| 14 | 1.6277 | 0.0641 | 2.0809 |
| 15 | 1.4495 | 0.0571 | 1.6502 |
| 16 | 1.2908 | 0.0508 | 1.3087 |
| 17 | 1.1495 | 0.0453 | 1.0378 |
| 18 | 1.0237 | 0.0403 | 0.8230 |
| 19 | 0.9116 | 0.0359 | 0.6527 |
| 20 | 0.8118 | 0.0320 | 0.5176 |
| 21 | 0.7229 | 0.0285 | 0.4105 |
| 22 | 0.6438 | 0.0253 | 0.3255 |
| 23 | 0.5733 | 0.0226 | 0.2582 |
| 24 | 0.5106 | 0.0201 | 0.2047 |
| 25 | 0.4547 | 0.0179 | 0.1624 |
| 26 | 0.4049 | 0.0159 | 0.1288 |
| 27 | 0.3606 | 0.0142 | 0.1021 |
| 28 | 0.3211 | 0.0126 | 0.0810 |
| 29 | 0.2859 | 0.0113 | 0.0642 |
| 30 | 0.2546 | 0.0100 | 0.0509 |
| 31 | 0.2268 | 0.0089 | 0.0404 |
| 32 | 0.2019 | 0.0080 | 0.0320 |
| 33 | 0.1798 | 0.0071 | 0.0254 |
| 34 | 0.1601 | 0.0063 | 0.0201 |
| 35 | 0.1426 | 0.0056 | 0.0160 |
| 36 | 0.1270 | 0.0050 | 0.0127 |
| 37 | 0.1131 | 0.0045 | 0.0100 |
| 38 | 0.1007 | 0.0040 | 0.0080 |
| 39 | 0.0897 | 0.0035 | 0.0063 |
| 40 | 0.0799 | 0.0031 | 0.0050 |
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Accurate, fast, and mobile responsive
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Perfect for electrical & electronics professionals
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Ideal for DIY wire sizing projects
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