VW Wire Size Conversion Chart
Wire Size Conversion Table (mm to USA AWG)
The numbers used in VW wiring diagrams are the cross sectional area of the wires in millimeters (mm) squared (left column below). This chart shows the equivalent USA AWG wire sizes and their approximate cross sectional area.
| mm squared | Equivalent AWG | AWG mm sqd |
| 0.50 | 20 | 0.518 |
| 0.85 | 18 | 0.823 |
| 1.00 | 16 | 1.31 |
| 1.50 | ||
| 2.00 | 14 | 2.08 |
| 2.50 | ||
| 3.00 | 12 | 3.31 |
| 4.00 | ||
| 5.00 | 10 | 5.26 |
| 6.00 | ||
| 8.00 | 8 | 8.37 |
| 10.00 | ||
| 17.00 | 6 | 13.3 |
| 25.00 | 4 | 21.2 |
| 34.00 | 2 | 33.6 |
| 43.00 | 1 | 42.4 |
| 56.00 | 0 | 53.5 |
| 70.00 | 00 | 67.4 |
| 88.00 | 000 | 85.0 |