Size Diameter Circumference Size Diameter Circumference Size Diameter Circumference
1 12.99 40.8 11 16.21 50.9 21 19.39 60.9
2 13.41 42.1 12 16.5 51.8 22 19.71 61.9
3 13.69 43.0 13 16.82 52.8 23 20 62.8
4 14.01 44.0 14 17.2 54.0 24 20.32 63.8
5 14.3 44.9 15 17.52 55.0 25 20.61 64.7
6 14.62 45.9 16 17.8 55.9 26 21.02 66.0
7 15 47.1 17 18.12 56.9 27 21.31 66.9
8 15.32 48.1 18 18.41 57.8 28 21.62 67.9
9 15.61 49.0 19 18.82 59.1 29 22.01 69.1
10 15.92 50.0 20 19.11 60.0 30 22.32 70.1