In electrical engineering, choosing the correct conductor size is essential. 하지만, different regions use different measurement systems. About AWG to mm², In North America, professionals use AWG (미국 와이어 게이지). 대조적으로, most international markets rely on 제곱밀리미터 (mm²).
결과적으로, engineers, 전기 기술자, and buyers often need a reliable way to convert between these two systems. 그러므로, understanding AWG to mm² conversion becomes critical for accurate cable selection.
Here, 두 개의 케이블 will show how the AWG system works, why conversion matters, and how to use a complete reference table effectively.

What Does AWG Mean?
AWG stands for American Wire Gauge. It defines the diameter of electrical conductors using a standardized numerical system.
Unlike metric measurements, AWG follows a reverse scale. In other words:
- Smaller numbers indicate thicker wires
- Larger numbers indicate thinner wires
예를 들어, 4/0 AWG has a much larger diameter than 1 AWG. 비슷하게, 12 AWG is thicker than 20 AWG.
Because of this unique structure, many users find AWG confusing at first. 하지만, once you understand the pattern, it becomes easier to compare wire sizes.
Why You Need AWG to mm² Conversion
In global projects, you cannot rely on a single standard. 대신에, you must switch between AWG and mm² depending on the region. 이러한 이유로, conversion plays a key role in several areas.
1. 국제 프로젝트
첫 번째, different countries follow different standards. While the U.S. uses AWG, most other regions use mm². 그러므로, conversion ensures that specifications match across markets.
2. Current Capacity Comparison
다음, the conductor area directly affects current-carrying capacity. When you convert AWG to mm², you can easily compare ampacity using IEC standards.
3. Electrical Design
게다가, most engineering calculations require metric units. 결과적으로, designers must convert AWG values into mm² before performing calculations.
4. Procurement and Sourcing
마지막으로, buyers often compare products from different suppliers. By using a conversion table, they can quickly identify equivalent cable sizes.
AWG to mm² Conversion Table
Below is a practical reference table showing conductor diameter, cross-sectional area, and approximate copper weight:
| AWG | 지름 (mm) | 영역 (mm²) | 무게 (kg/km) |
|---|---|---|---|
| 4/0 | 11.684 | 107.15 | 953 |
| 3/0 | 10.404 | 84.95 | 756 |
| 2/0 | 9.266 | 67.49 | 599 |
| 1/0 | 8.252 | 53.46 | 475 |
| 1 | 7.348 | 42.43 | 377 |
| 2 | 6.544 | 33.59 | 299 |
| 3 | 5.827 | 26.69 | 237 |
| 4 | 5.189 | 21.16 | 188 |
| 5 | 4.621 | 16.76 | 149 |
| 6 | 4.115 | 13.33 | 118 |
| 7 | 3.665 | 10.52 | 93.7 |
| 8 | 3.264 | 8.347 | 74.4 |
| 9 | 2.906 | 6.651 | 58.9 |
| 10 | 2.588 | 5.269 | 46.8 |
| 11 | 2.305 | 4.155 | 37.1 |
| 12 | 2.053 | 3.301 | 29.4 |
| 13 | 1.828 | 2.63 | 23.3 |
| 14 | 1.628 | 2.087 | 18.5 |
| 15 | 1.45 | 1.651 | 14.7 |
| 16 | 1.291 | 1.307 | 11.6 |
| 17 | 1.15 | 1.039 | 9.23 |
| 18 | 1.024 | 0.8012 | 7.32 |
| 19 | 0.912 | 0.6532 | 5.8 |
| 20 | 0.812 | 0.5166 | 4.6 |
| 21 | 0.723 | 0.4106 | 3.65 |
| 22 | 0.644 | 0.3257 | 2.89 |
| 23 | 0.573 | 0.2579 | 2.3 |
| 24 | 0.511 | 0.2051 | 1.82 |
| 25 | 0.455 | 0.1626 | 1.44 |
| 26 | 0.405 | 0.1288 | 1.14 |
| 27 | 0.361 | 0.1024 | 0.912 |
| 28 | 0.321 | 0.08093 | 0.717 |
| 29 | 0.286 | 0.0624 | 0.577 |
| 30 | 0.255 | 0.05107 | 0.451 |
| 31 | 0.227 | 0.04047 | 0.357 |
| 32 | 0.202 | 0.03205 | 0.289 |
| 33 | 0.180 | 0.02545 | 0.227 |
| 34 | 0.160 | 0.02012 | 0.179 |
| 35 | 0.143 | 0.01608 | 0.142 |
| 36 | 0.127 | 0.01267 | 0.113 |
Common Wire Size Equivalents
To simplify selection, you can remember a few key conversions. For instance:
- 12 AWG equals approximately 3.31 mm²
- 10 AWG equals about 5.26 mm²
- 8 AWG corresponds to roughly 8.37 mm²
- 6 AWG converts to 13.3 mm²
These sizes appear frequently in real applications. 예를 들어, they are widely used in building wiring, solar systems, and industrial installations.
How Conversion Works
You can calculate the conductor area using a basic formula:A=4π×d2
Here, d represents the conductor diameter in millimeters.
하지만, AWG follows a logarithmic progression. 그러므로, manual calculation is not always practical. 대신에, most professionals rely on standard tables for faster and more accurate results.
AWG and mm²: Key Differences
Although both systems measure conductor size, they serve different regions. On one hand, AWG dominates in North America. 반면에, mm² remains the global standard.
이 때문에, international projects often require both systems. 따라서, understanding their relationship helps prevent specification errors.

결론
Accurate wire sizing directly affects safety and performance. 그러므로, mastering AWG to mm² conversion is essential for engineers, manufacturers, and buyers.
By using a reliable conversion table, you can:
- Select the correct cable size
- Compare global standards efficiently
- Ensure proper current capacity
- Improve purchasing decisions
In the end, a simple conversion chart can save time, reduce errors, and improve project outcomes.