Find AWG for Stranded Conductors
Use the following formula and reference table to get an approximate American Wire Gauge (AWG) value for a stranded cable when you know the number of strands and the diameter of each individual strand.
Formula & Example Calculation
To find the total cross-sectional area of a cable with 41 strands of 0.20mm wire, follow these steps:
- Calculate the area of a single strand.
Formula: Area = (π × Diameter²) / 4
Calculation: (3.14159 × 0.20²) / 4 = 0.0314 mm² - Calculate the total area of all strands.
Formula: Total Area = (Area of one strand) × (Number of strands)
Calculation: 0.0314 mm² × 41 = 1.2874 mm² - Find the closest value in the reference table below.
The closest area to 1.2874 mm² is 1.308 mm², which corresponds to an equivalent of 16 AWG.
Reference Table: AWG by Nominal Area
| Nominal Area (mm²) | AWG Value | Nominal Area (mm²) | AWG Value |
|---|---|---|---|
| 33.62 | 2 | 0.205 | 24 |
| 26.66 | 3 | 0.162 | 25 |
| 21.149 | 4 | 0.128 | 26 |
| 16.766 | 5 | 0.102 | 27 |
| 13.298 | 6 | 0.0804 | 28 |
| 10.551 | 7 | 0.0647 | 29 |
| 8.367 | 8 | 0.0507 | 30 |
| 6.631 | 9 | 0.0401 | 31 |
| 5.261 | 10 | 0.0324 | 32 |
| 4.168 | 11 | 0.0255 | 33 |
| 3.308 | 12 | 0.0201 | 34 |
| 2.627 | 13 | 0.0159 | 35 |
| 2.082 | 14 | 0.0127 | 36 |
| 1.652 | 15 | 0.0103 | 37 |
| 1.308 | 16 | 0.00811 | 38 |
| 1.040 | 17 | 0.00621 | 39 |
| 0.823 | 18 | 0.00487 | 40 |
| 0.653 | 19 | 0.00397 | 41 |
| 0.519 | 20 | 0.00317 | 42 |
| 0.412 | 21 | 0.00245 | 43 |
| 0.324 | 22 | 0.00203 | 44 |
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