Conversion of North American wire cross-sections

USA/Canada AWG Europe mm² (exact) mm² (nearest standard value)

18 0.823 0.85

17 1.04 1

16 1.31 1.5

15 1.65

14 2.08 2.5

13 2.62

12 3.31 4

11 4.17

10 5.26 6

9 6.63

8 8.37 10

7 10.5

6 13.3 16

5 16.8

4 21.2 25

3 26.7

2 33.6 35

1 42.4

1/0 53.5 50

2/0 67.4 70

3/0 85 95

4/0 107