Wire Size Guide: Square mm to Diameter Conversion Chart
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Use the table below to convert between wire square mm and diameter mm.
Note that for the real outside diameter of a given cable - the insulation thickness must be added.
| mm2 | mm |
|---|---|
| 0.75 | 1.0 |
| 1 | 1.1 |
| 1.5 | 1.4 |
| 2 | 1.5 |
| 2.5 | 1.8 |
| 4 | 2.3 |
| 6 | 2.8 |
| 10 | 3.6 |
| 16 | 4.5 |
| 25 | 5.6 |
| 35 | 6.7 |
| 50 | 8.0 |
| 70 | 9.5 |
| 95 | 11.0 |
| 120 | 12.4 |
| 150 | 13.8 |
| 185 | 15.4 |
| 240 | 17.5 |
| 300 | 19.5 |
| 400 | 22.6 |
| 500 | 25.2 |
| 630 | 28.3 |
| 800 | 31.9 |
| 1000 | 35.7 |
| 1200 | 39.1 |
| 2000 | 50.5 |
.
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